BEGIN:VCALENDAR
VERSION:2.0
X-WR-CALNAME:Mathematical Anniversaries
BEGIN:VEVENT
SUMMARY:One day
DESCRIPTION:One day (1 days)
DTSTART:20121206
DTEND:20121207
END:VEVENT

BEGIN:VEVENT
SUMMARY:1st even-perfect-number days
DESCRIPTION:1st even-perfect-number days (6 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20121211
DTEND:20121212
END:VEVENT

BEGIN:VEVENT
SUMMARY:One week
DESCRIPTION:One week (7 days)
DTSTART:20121212
DTEND:20121213
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 lunar orbit
DESCRIPTION:1 lunar orbit (27 days)
DTSTART:20130101
DTEND:20130102
END:VEVENT

BEGIN:VEVENT
SUMMARY:2nd even-perfect-number days
DESCRIPTION:2nd even-perfect-number days (28 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20130102
DTEND:20130103
END:VEVENT

BEGIN:VEVENT
SUMMARY:One month
DESCRIPTION:One month (31 days)
DTSTART:20130105
DTEND:20130106
END:VEVENT

BEGIN:VEVENT
SUMMARY:Life-universe-and-everything
DESCRIPTION:Life-universe-and-everything (42 days)
DTSTART:20130116
DTEND:20130117
END:VEVENT

BEGIN:VEVENT
SUMMARY:10th Fibonacci number days
DESCRIPTION:10th Fibonacci number days (55 days)
DTSTART:20130129
DTEND:20130130
END:VEVENT

BEGIN:VEVENT
SUMMARY:Naughty-versary
DESCRIPTION:Naughty-versary (69 days)
DTSTART:20130212
DTEND:20130213
END:VEVENT

BEGIN:VEVENT
SUMMARY:Smallest-weird-number days
DESCRIPTION:Smallest-weird-number days (70 days) (see http://en.wikipedia.org/wiki/Weird_number)
DTSTART:20130213
DTEND:20130214
END:VEVENT

BEGIN:VEVENT
SUMMARY:11th Fibonacci number days
DESCRIPTION:11th Fibonacci number days (89 days)
DTSTART:20130304
DTEND:20130305
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 days
DESCRIPTION:100 days (100 days)
DTSTART:20130315
DTEND:20130316
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 days
DESCRIPTION:123 days (123 days)
DTSTART:20130407
DTEND:20130408
END:VEVENT

BEGIN:VEVENT
SUMMARY:12th Fibonacci number days
DESCRIPTION:12th Fibonacci number days (144 days)
DTSTART:20130428
DTEND:20130429
END:VEVENT

BEGIN:VEVENT
SUMMARY:200 days
DESCRIPTION:200 days (200 days)
DTSTART:20130623
DTEND:20130624
END:VEVENT

BEGIN:VEVENT
SUMMARY:13th Fibonacci number days
DESCRIPTION:13th Fibonacci number days (233 days)
DTSTART:20130726
DTEND:20130727
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 lunar orbits
DESCRIPTION:10 lunar orbits (273 days)
DTSTART:20130904
DTEND:20130905
END:VEVENT

BEGIN:VEVENT
SUMMARY:300 days
DESCRIPTION:300 days (300 days)
DTSTART:20131001
DTEND:20131002
END:VEVENT

BEGIN:VEVENT
SUMMARY:Sparta!
DESCRIPTION:Sparta! (300 days)
DTSTART:20131001
DTEND:20131002
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 days
DESCRIPTION:321 days (321 days)
DTSTART:20131022
DTEND:20131023
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Earth year
DESCRIPTION:1 Earth year (365 days)
DTSTART:20131205
DTEND:20131206
END:VEVENT

BEGIN:VEVENT
SUMMARY:14th Fibonacci number days
DESCRIPTION:14th Fibonacci number days (377 days)
DTSTART:20131217
DTEND:20131218
END:VEVENT

BEGIN:VEVENT
SUMMARY:400 days
DESCRIPTION:400 days (400 days)
DTSTART:20140109
DTEND:20140110
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Not Found
DESCRIPTION:Anniversary Not Found (404 days)
DTSTART:20140113
DTEND:20140114
END:VEVENT

BEGIN:VEVENT
SUMMARY:3rd even-perfect-number days
DESCRIPTION:3rd even-perfect-number days (496 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20140415
DTEND:20140416
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 days
DESCRIPTION:500 days (500 days)
DTSTART:20140419
DTEND:20140420
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Forbidden
DESCRIPTION:Anniversary Forbidden (503 days)
DTSTART:20140422
DTEND:20140423
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Root-2 years
DESCRIPTION:1 Root-2 years (516 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20140505
DTEND:20140506
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Golden ratio years
DESCRIPTION:1 Golden ratio years (591 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20140719
DTEND:20140720
END:VEVENT

BEGIN:VEVENT
SUMMARY:600 days
DESCRIPTION:600 days (600 days)
DTSTART:20140728
DTEND:20140729
END:VEVENT

BEGIN:VEVENT
SUMMARY:15th Fibonacci number days
DESCRIPTION:15th Fibonacci number days (610 days)
DTSTART:20140807
DTEND:20140808
END:VEVENT

BEGIN:VEVENT
SUMMARY:Lucifersary
DESCRIPTION:Lucifersary (666 days)
DTSTART:20141002
DTEND:20141003
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Mars year
DESCRIPTION:1 Mars year (687 days)
DTSTART:20141023
DTEND:20141024
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000,000 minutes
DESCRIPTION:1,000,000 minutes (694 days)
DTSTART:20141030
DTEND:20141031
END:VEVENT

BEGIN:VEVENT
SUMMARY:700 days
DESCRIPTION:700 days (700 days)
DTSTART:20141105
DTEND:20141106
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Earth years
DESCRIPTION:2 Earth years (730 days)
DTSTART:20141205
DTEND:20141206
END:VEVENT

BEGIN:VEVENT
SUMMARY:Feynman-point days
DESCRIPTION:Feynman-point days (762 days) (see http://en.wikipedia.org/wiki/Feynman_point)
DTSTART:20150106
DTEND:20150107
END:VEVENT

BEGIN:VEVENT
SUMMARY:800 days
DESCRIPTION:800 days (800 days)
DTSTART:20150213
DTEND:20150214
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 weeks
DESCRIPTION:123 weeks (861 days)
DTSTART:20150415
DTEND:20150416
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Mercury years
DESCRIPTION:10 Mercury years (880 days)
DTSTART:20150504
DTEND:20150505
END:VEVENT

BEGIN:VEVENT
SUMMARY:900 days
DESCRIPTION:900 days (900 days)
DTSTART:20150524
DTEND:20150525
END:VEVENT

BEGIN:VEVENT
SUMMARY:16th Fibonacci number days
DESCRIPTION:16th Fibonacci number days (987 days)
DTSTART:20150819
DTEND:20150820
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 e years
DESCRIPTION:1 e years (993 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20150825
DTEND:20150826
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000 days
DESCRIPTION:1,000 days (1000 days)
DTSTART:20150901
DTEND:20150902
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Root-2 years
DESCRIPTION:2 Root-2 years (1033 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20151004
DTEND:20151005
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Earth years
DESCRIPTION:3 Earth years (1095 days)
DTSTART:20151205
DTEND:20151206
END:VEVENT

BEGIN:VEVENT
SUMMARY:1111 days
DESCRIPTION:1111 days (1111 days)
DTSTART:20151221
DTEND:20151222
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Pi years
DESCRIPTION:1 Pi years (1147 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20160126
DTEND:20160127
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Golden ratio years
DESCRIPTION:2 Golden ratio years (1182 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20160301
DTEND:20160302
END:VEVENT

BEGIN:VEVENT
SUMMARY:4th look-and-say number days
DESCRIPTION:4th look-and-say number days (1211 days) (see http://en.wikipedia.org/wiki/Look-and-say_sequence)
DTSTART:20160330
DTEND:20160331
END:VEVENT

BEGIN:VEVENT
SUMMARY:1234 days
DESCRIPTION:1234 days (1234 days)
DTSTART:20160422
DTEND:20160423
END:VEVENT

BEGIN:VEVENT
SUMMARY:1337 days
DESCRIPTION:1337 days (1337 days) (see http://en.wikipedia.org/wiki/Leet)
DTSTART:20160803
DTEND:20160804
END:VEVENT

BEGIN:VEVENT
SUMMARY:50 lunar orbits
DESCRIPTION:50 lunar orbits (1365 days)
DTSTART:20160831
DTEND:20160901
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Mars years
DESCRIPTION:2 Mars years (1374 days)
DTSTART:20160909
DTEND:20160910
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000,000 minutes
DESCRIPTION:2,000,000 minutes (1389 days)
DTSTART:20160924
DTEND:20160925
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Earth years
DESCRIPTION:4 Earth years (1461 days)
DTSTART:20161205
DTEND:20161206
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Root-2 years
DESCRIPTION:3 Root-2 years (1549 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20170303
DTEND:20170304
END:VEVENT

BEGIN:VEVENT
SUMMARY:17th Fibonacci number days
DESCRIPTION:17th Fibonacci number days (1597 days)
DTSTART:20170420
DTEND:20170421
END:VEVENT

BEGIN:VEVENT
SUMMARY:Hardy-Ramanujan-number days
DESCRIPTION:Hardy-Ramanujan-number days (1729 days) (see http://en.wikipedia.org/wiki/Srinivasa_Ramanujan)
DTSTART:20170830
DTEND:20170831
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Mercury years
DESCRIPTION:20 Mercury years (1759 days)
DTSTART:20170929
DTEND:20170930
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Golden ratio years
DESCRIPTION:3 Golden ratio years (1773 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20171013
DTEND:20171014
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Earth years
DESCRIPTION:5 Earth years (1826 days)
DTSTART:20171205
DTEND:20171206
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Cobalt 60 half-lives
DESCRIPTION:1 Cobalt 60 half-lives (1925 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20180314
DTEND:20180315
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 e years
DESCRIPTION:2 e years (1985 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20180513
DTEND:20180514
END:VEVENT

BEGIN:VEVENT
SUMMARY:300th prime number (1987) days
DESCRIPTION:300th prime number (1987) days (1987 days)
DTSTART:20180515
DTEND:20180516
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000 days
DESCRIPTION:2,000 days (2000 days)
DTSTART:20180528
DTEND:20180529
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Mars years
DESCRIPTION:3 Mars years (2061 days)
DTSTART:20180728
DTEND:20180729
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Root-2 years
DESCRIPTION:4 Root-2 years (2066 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20180802
DTEND:20180803
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000,000 minutes
DESCRIPTION:3,000,000 minutes (2083 days)
DTSTART:20180819
DTEND:20180820
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Earth years
DESCRIPTION:6 Earth years (2191 days)
DTSTART:20181205
DTEND:20181206
END:VEVENT

BEGIN:VEVENT
SUMMARY:2222 days
DESCRIPTION:2222 days (2222 days)
DTSTART:20190105
DTEND:20190106
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 weeks
DESCRIPTION:321 weeks (2247 days)
DTSTART:20190130
DTEND:20190131
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Venus years
DESCRIPTION:10 Venus years (2247 days)
DTSTART:20190130
DTEND:20190131
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Pi years
DESCRIPTION:2 Pi years (2295 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20190319
DTEND:20190320
END:VEVENT

BEGIN:VEVENT
SUMMARY:5th Euclid-prime days
DESCRIPTION:5th Euclid-prime days (2311 days) (see http://en.wikipedia.org/wiki/List_of_primes)
DTSTART:20190404
DTEND:20190405
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Golden ratio years
DESCRIPTION:4 Golden ratio years (2364 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20190527
DTEND:20190528
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Earth years
DESCRIPTION:7 Earth years (2556 days)
DTSTART:20191205
DTEND:20191206
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Root-2 years
DESCRIPTION:5 Root-2 years (2582 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20191231
DTEND:20200101
END:VEVENT

BEGIN:VEVENT
SUMMARY:18th Fibonacci number days
DESCRIPTION:18th Fibonacci number days (2584 days)
DTSTART:20200102
DTEND:20200103
END:VEVENT

BEGIN:VEVENT
SUMMARY:30 Mercury years
DESCRIPTION:30 Mercury years (2639 days)
DTSTART:20200226
DTEND:20200227
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 lunar orbits
DESCRIPTION:100 lunar orbits (2730 days)
DTSTART:20200527
DTEND:20200528
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Mars years
DESCRIPTION:4 Mars years (2748 days)
DTSTART:20200614
DTEND:20200615
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000,000 minutes
DESCRIPTION:4,000,000 minutes (2778 days)
DTSTART:20200714
DTEND:20200715
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Earth years
DESCRIPTION:8 Earth years (2922 days)
DTSTART:20201205
DTEND:20201206
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Golden ratio years
DESCRIPTION:5 Golden ratio years (2955 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20210107
DTEND:20210108
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 e years
DESCRIPTION:3 e years (2978 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20210130
DTEND:20210131
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000 days
DESCRIPTION:3,000 days (3000 days)
DTSTART:20210221
DTEND:20210222
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Root-2 years
DESCRIPTION:6 Root-2 years (3099 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20210531
DTEND:20210601
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 Pluto days
DESCRIPTION:500 Pluto days (3193 days)
DTSTART:20210902
DTEND:20210903
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Earth years
DESCRIPTION:9 Earth years (3287 days)
DTSTART:20211205
DTEND:20211206
END:VEVENT

BEGIN:VEVENT
SUMMARY:3333 days
DESCRIPTION:3333 days (3333 days)
DTSTART:20220120
DTEND:20220121
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Mars years
DESCRIPTION:5 Mars years (3435 days)
DTSTART:20220502
DTEND:20220503
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Pi years
DESCRIPTION:3 Pi years (3442 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20220509
DTEND:20220510
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Draconic years
DESCRIPTION:10 Draconic years (3466 days) (see http://en.wikipedia.org/wiki/Anomalistic_year)
DTSTART:20220602
DTEND:20220603
END:VEVENT

BEGIN:VEVENT
SUMMARY:5,000,000 minutes
DESCRIPTION:5,000,000 minutes (3472 days)
DTSTART:20220608
DTEND:20220609
END:VEVENT

BEGIN:VEVENT
SUMMARY:40 Mercury years
DESCRIPTION:40 Mercury years (3518 days)
DTSTART:20220724
DTEND:20220725
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Golden ratio years
DESCRIPTION:6 Golden ratio years (3546 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20220821
DTEND:20220822
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Root-2 years
DESCRIPTION:7 Root-2 years (3615 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20221029
DTEND:20221030
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Earth years
DESCRIPTION:10 Earth years (3652 days)
DTSTART:20221205
DTEND:20221206
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Cobalt 60 half-lives
DESCRIPTION:2 Cobalt 60 half-lives (3850 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20230621
DTEND:20230622
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 e years
DESCRIPTION:4 e years (3971 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20231020
DTEND:20231021
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000 days
DESCRIPTION:4,000 days (4000 days)
DTSTART:20231118
DTEND:20231119
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Earth years
DESCRIPTION:11 Earth years (4017 days)
DTSTART:20231205
DTEND:20231206
END:VEVENT

BEGIN:VEVENT
SUMMARY:Second-positive-integer-which-can-be-expressed-as-the-sum-of-two-positive-cubes-in-two-different-ways days
DESCRIPTION:Second-positive-integer-which-can-be-expressed-as-the-sum-of-two-positive-cubes-in-two-different-ways days (4104 days)
DTSTART:20240301
DTEND:20240302
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Full moon cycles
DESCRIPTION:10 Full moon cycles (4118 days) (see http://en.wikipedia.org/wiki/Full_moon_cycle)
DTSTART:20240315
DTEND:20240316
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Mars years
DESCRIPTION:6 Mars years (4122 days)
DTSTART:20240319
DTEND:20240320
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Root-2 years
DESCRIPTION:8 Root-2 years (4132 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20240329
DTEND:20240330
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Golden ratio years
DESCRIPTION:7 Golden ratio years (4137 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20240403
DTEND:20240404
END:VEVENT

BEGIN:VEVENT
SUMMARY:6,000,000 minutes
DESCRIPTION:6,000,000 minutes (4167 days)
DTSTART:20240503
DTEND:20240504
END:VEVENT

BEGIN:VEVENT
SUMMARY:100,000 hours
DESCRIPTION:100,000 hours (4167 days)
DTSTART:20240503
DTEND:20240504
END:VEVENT

BEGIN:VEVENT
SUMMARY:19th Fibonacci number days
DESCRIPTION:19th Fibonacci number days (4181 days)
DTSTART:20240517
DTEND:20240518
END:VEVENT

BEGIN:VEVENT
SUMMARY:4321 days
DESCRIPTION:4321 days (4321 days)
DTSTART:20241004
DTEND:20241005
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Jupiter year
DESCRIPTION:1 Jupiter year (4333 days)
DTSTART:20241016
DTEND:20241017
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Earth years
DESCRIPTION:12 Earth years (4383 days)
DTSTART:20241205
DTEND:20241206
END:VEVENT

BEGIN:VEVENT
SUMMARY:50 Mercury years
DESCRIPTION:50 Mercury years (4398 days)
DTSTART:20241220
DTEND:20241221
END:VEVENT

BEGIN:VEVENT
SUMMARY:4444 days
DESCRIPTION:4444 days (4444 days)
DTSTART:20250204
DTEND:20250205
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Venus years
DESCRIPTION:20 Venus years (4494 days)
DTSTART:20250326
DTEND:20250327
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Hydrogen 3 (Tritium) half-lives
DESCRIPTION:1 Hydrogen 3 (Tritium) half-lives (4502 days) (see http://en.wikipedia.org/wiki/Hydrogen-3)
DTSTART:20250403
DTEND:20250404
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Pi years
DESCRIPTION:4 Pi years (4590 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20250630
DTEND:20250701
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Root-2 years
DESCRIPTION:9 Root-2 years (4648 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20250827
DTEND:20250828
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Golden ratio years
DESCRIPTION:8 Golden ratio years (4728 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20251115
DTEND:20251116
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Earth years
DESCRIPTION:13 Earth years (4748 days)
DTSTART:20251205
DTEND:20251206
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Californium 250 half-lives
DESCRIPTION:1 Californium 250 half-lives (4780 days) (see http://en.wikipedia.org/wiki/Californium-250)
DTSTART:20260106
DTEND:20260107
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Mars years
DESCRIPTION:7 Mars years (4809 days)
DTSTART:20260204
DTEND:20260205
END:VEVENT

BEGIN:VEVENT
SUMMARY:7,000,000 minutes
DESCRIPTION:7,000,000 minutes (4861 days)
DTSTART:20260328
DTEND:20260329
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 e years
DESCRIPTION:5 e years (4964 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20260709
DTEND:20260710
END:VEVENT

BEGIN:VEVENT
SUMMARY:5,000 days
DESCRIPTION:5,000 days (5000 days)
DTSTART:20260814
DTEND:20260815
END:VEVENT

BEGIN:VEVENT
SUMMARY:8th colossally-abundant-number days
DESCRIPTION:8th colossally-abundant-number days (5040 days) (see http://en.wikipedia.org/wiki/Colossally_abundant_number)
DTSTART:20260923
DTEND:20260924
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Earth years
DESCRIPTION:14 Earth years (5113 days)
DTSTART:20261205
DTEND:20261206
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Root-2 years
DESCRIPTION:10 Root-2 years (5165 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20270126
DTEND:20270127
END:VEVENT

BEGIN:VEVENT
SUMMARY:60 Mercury years
DESCRIPTION:60 Mercury years (5278 days)
DTSTART:20270519
DTEND:20270520
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Golden ratio years
DESCRIPTION:9 Golden ratio years (5319 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20270629
DTEND:20270630
END:VEVENT

BEGIN:VEVENT
SUMMARY:200 lunar orbits
DESCRIPTION:200 lunar orbits (5460 days)
DTSTART:20271117
DTEND:20271118
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Earth years
DESCRIPTION:15 Earth years (5478 days)
DTSTART:20271205
DTEND:20271206
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Mars years
DESCRIPTION:8 Mars years (5496 days)
DTSTART:20271223
DTEND:20271224
END:VEVENT

BEGIN:VEVENT
SUMMARY:5555 days
DESCRIPTION:5555 days (5555 days)
DTSTART:20280220
DTEND:20280221
END:VEVENT

BEGIN:VEVENT
SUMMARY:8,000,000 minutes
DESCRIPTION:8,000,000 minutes (5556 days)
DTSTART:20280221
DTEND:20280222
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Root-2 years
DESCRIPTION:11 Root-2 years (5681 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20280625
DTEND:20280626
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Pi years
DESCRIPTION:5 Pi years (5737 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20280820
DTEND:20280821
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Cobalt 60 half-lives
DESCRIPTION:3 Cobalt 60 half-lives (5775 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20280927
DTEND:20280928
END:VEVENT

BEGIN:VEVENT
SUMMARY:16 Earth years
DESCRIPTION:16 Earth years (5844 days)
DTSTART:20281205
DTEND:20281206
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Golden ratio years
DESCRIPTION:10 Golden ratio years (5910 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20290209
DTEND:20290210
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 e years
DESCRIPTION:6 e years (5956 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20290327
DTEND:20290328
END:VEVENT

BEGIN:VEVENT
SUMMARY:6,000 days
DESCRIPTION:6,000 days (6000 days)
DTSTART:20290510
DTEND:20290511
END:VEVENT

BEGIN:VEVENT
SUMMARY:70 Mercury years
DESCRIPTION:70 Mercury years (6157 days)
DTSTART:20291014
DTEND:20291015
END:VEVENT

BEGIN:VEVENT
SUMMARY:Kaprekar's-constant days
DESCRIPTION:Kaprekar's-constant days (6174 days) (see http://en.wikipedia.org/wiki/D._R._Kaprekar)
DTSTART:20291031
DTEND:20291101
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Mars years
DESCRIPTION:9 Mars years (6183 days)
DTSTART:20291109
DTEND:20291110
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Root-2 years
DESCRIPTION:12 Root-2 years (6198 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20291124
DTEND:20291125
END:VEVENT

BEGIN:VEVENT
SUMMARY:17 Earth years
DESCRIPTION:17 Earth years (6209 days)
DTSTART:20291205
DTEND:20291206
END:VEVENT

BEGIN:VEVENT
SUMMARY:9,000,000 minutes
DESCRIPTION:9,000,000 minutes (6250 days)
DTSTART:20300115
DTEND:20300116
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000 Pluto days
DESCRIPTION:1,000 Pluto days (6387 days)
DTSTART:20300601
DTEND:20300602
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Golden ratio years
DESCRIPTION:11 Golden ratio years (6501 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20300923
DTEND:20300924
END:VEVENT

BEGIN:VEVENT
SUMMARY:18 Earth years
DESCRIPTION:18 Earth years (6574 days)
DTSTART:20301205
DTEND:20301206
END:VEVENT

BEGIN:VEVENT
SUMMARY:6666 days
DESCRIPTION:6666 days (6666 days)
DTSTART:20310307
DTEND:20310308
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Root-2 years
DESCRIPTION:13 Root-2 years (6714 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20310424
DTEND:20310425
END:VEVENT

BEGIN:VEVENT
SUMMARY:30 Venus years
DESCRIPTION:30 Venus years (6741 days)
DTSTART:20310521
DTEND:20310522
END:VEVENT

BEGIN:VEVENT
SUMMARY:20th Fibonacci number days
DESCRIPTION:20th Fibonacci number days (6765 days)
DTSTART:20310614
DTEND:20310615
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Mars years
DESCRIPTION:10 Mars years (6870 days)
DTSTART:20310927
DTEND:20310928
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Pi years
DESCRIPTION:6 Pi years (6885 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20311012
DTEND:20311013
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Draconic years
DESCRIPTION:20 Draconic years (6932 days) (see http://en.wikipedia.org/wiki/Anomalistic_year)
DTSTART:20311128
DTEND:20311129
END:VEVENT

BEGIN:VEVENT
SUMMARY:19 Earth years
DESCRIPTION:19 Earth years (6939 days)
DTSTART:20311205
DTEND:20311206
END:VEVENT

BEGIN:VEVENT
SUMMARY:10,000,000 minutes
DESCRIPTION:10,000,000 minutes (6944 days)
DTSTART:20311210
DTEND:20311211
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 e years
DESCRIPTION:7 e years (6949 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20311215
DTEND:20311216
END:VEVENT

BEGIN:VEVENT
SUMMARY:7,000 days
DESCRIPTION:7,000 days (7000 days)
DTSTART:20320204
DTEND:20320205
END:VEVENT

BEGIN:VEVENT
SUMMARY:80 Mercury years
DESCRIPTION:80 Mercury years (7037 days)
DTSTART:20320312
DTEND:20320313
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Golden ratio years
DESCRIPTION:12 Golden ratio years (7092 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20320506
DTEND:20320507
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Root-2 years
DESCRIPTION:14 Root-2 years (7230 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20320921
DTEND:20320922
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Earth years
DESCRIPTION:20 Earth years (7305 days)
DTSTART:20321205
DTEND:20321206
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Mars years
DESCRIPTION:11 Mars years (7557 days)
DTSTART:20330814
DTEND:20330815
END:VEVENT

BEGIN:VEVENT
SUMMARY:11,000,000 minutes
DESCRIPTION:11,000,000 minutes (7639 days)
DTSTART:20331104
DTEND:20331105
END:VEVENT

BEGIN:VEVENT
SUMMARY:21 Earth years
DESCRIPTION:21 Earth years (7670 days)
DTSTART:20331205
DTEND:20331206
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Golden ratio years
DESCRIPTION:13 Golden ratio years (7683 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20331218
DTEND:20331219
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Cobalt 60 half-lives
DESCRIPTION:4 Cobalt 60 half-lives (7700 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20340104
DTEND:20340105
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Root-2 years
DESCRIPTION:15 Root-2 years (7747 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20340220
DTEND:20340221
END:VEVENT

BEGIN:VEVENT
SUMMARY:7777 days
DESCRIPTION:7777 days (7777 days)
DTSTART:20340322
DTEND:20340323
END:VEVENT

BEGIN:VEVENT
SUMMARY:90 Mercury years
DESCRIPTION:90 Mercury years (7916 days)
DTSTART:20340808
DTEND:20340809
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 e years
DESCRIPTION:8 e years (7942 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20340903
DTEND:20340904
END:VEVENT

BEGIN:VEVENT
SUMMARY:8,000 days
DESCRIPTION:8,000 days (8000 days)
DTSTART:20341031
DTEND:20341101
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Pi years
DESCRIPTION:7 Pi years (8032 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20341202
DTEND:20341203
END:VEVENT

BEGIN:VEVENT
SUMMARY:22 Earth years
DESCRIPTION:22 Earth years (8035 days)
DTSTART:20341205
DTEND:20341206
END:VEVENT

BEGIN:VEVENT
SUMMARY:4th even-perfect-number days
DESCRIPTION:4th even-perfect-number days (8128 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20350308
DTEND:20350309
END:VEVENT

BEGIN:VEVENT
SUMMARY:300 lunar orbits
DESCRIPTION:300 lunar orbits (8190 days)
DTSTART:20350509
DTEND:20350510
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Full moon cycles
DESCRIPTION:20 Full moon cycles (8236 days) (see http://en.wikipedia.org/wiki/Full_moon_cycle)
DTSTART:20350624
DTEND:20350625
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Mars years
DESCRIPTION:12 Mars years (8244 days)
DTSTART:20350702
DTEND:20350703
END:VEVENT

BEGIN:VEVENT
SUMMARY:16 Root-2 years
DESCRIPTION:16 Root-2 years (8263 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20350721
DTEND:20350722
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Golden ratio years
DESCRIPTION:14 Golden ratio years (8274 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20350801
DTEND:20350802
END:VEVENT

BEGIN:VEVENT
SUMMARY:12,000,000 minutes
DESCRIPTION:12,000,000 minutes (8333 days)
DTSTART:20350929
DTEND:20350930
END:VEVENT

BEGIN:VEVENT
SUMMARY:200,000 hours
DESCRIPTION:200,000 hours (8333 days)
DTSTART:20350929
DTEND:20350930
END:VEVENT

BEGIN:VEVENT
SUMMARY:23 Earth years
DESCRIPTION:23 Earth years (8400 days)
DTSTART:20351205
DTEND:20351206
END:VEVENT

BEGIN:VEVENT
SUMMARY:1234 weeks
DESCRIPTION:1234 weeks (8638 days)
DTSTART:20360730
DTEND:20360731
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Jupiter years
DESCRIPTION:2 Jupiter years (8665 days)
DTSTART:20360826
DTEND:20360827
END:VEVENT

BEGIN:VEVENT
SUMMARY:24 Earth years
DESCRIPTION:24 Earth years (8766 days)
DTSTART:20361205
DTEND:20361206
END:VEVENT

BEGIN:VEVENT
SUMMARY:17 Root-2 years
DESCRIPTION:17 Root-2 years (8780 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20361219
DTEND:20361220
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 Mercury years
DESCRIPTION:100 Mercury years (8796 days)
DTSTART:20370104
DTEND:20370105
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Golden ratio years
DESCRIPTION:15 Golden ratio years (8865 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20370314
DTEND:20370315
END:VEVENT

BEGIN:VEVENT
SUMMARY:8888 days
DESCRIPTION:8888 days (8888 days)
DTSTART:20370406
DTEND:20370407
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Mars years
DESCRIPTION:13 Mars years (8931 days)
DTSTART:20370519
DTEND:20370520
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 e years
DESCRIPTION:9 e years (8935 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20370523
DTEND:20370524
END:VEVENT

BEGIN:VEVENT
SUMMARY:40 Venus years
DESCRIPTION:40 Venus years (8988 days)
DTSTART:20370715
DTEND:20370716
END:VEVENT

BEGIN:VEVENT
SUMMARY:9,000 days
DESCRIPTION:9,000 days (9000 days)
DTSTART:20370727
DTEND:20370728
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Hydrogen 3 (Tritium) half-lives
DESCRIPTION:2 Hydrogen 3 (Tritium) half-lives (9004 days) (see http://en.wikipedia.org/wiki/Hydrogen-3)
DTSTART:20370731
DTEND:20370801
END:VEVENT

BEGIN:VEVENT
SUMMARY:13,000,000 minutes
DESCRIPTION:13,000,000 minutes (9028 days)
DTSTART:20370824
DTEND:20370825
END:VEVENT

BEGIN:VEVENT
SUMMARY:25 Earth years
DESCRIPTION:25 Earth years (9131 days)
DTSTART:20371205
DTEND:20371206
END:VEVENT

END:VCALENDAR