BEGIN:VCALENDAR
VERSION:2.0
X-WR-CALNAME:Mathematical Anniversaries
BEGIN:VEVENT
SUMMARY:One day
DESCRIPTION:One day (1 days)
DTSTART:20260918
DTEND:20260919
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:20260923
DTEND:20260924
END:VEVENT

BEGIN:VEVENT
SUMMARY:One week
DESCRIPTION:One week (7 days)
DTSTART:20260924
DTEND:20260925
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Mooch
DESCRIPTION:1 Mooch (11 days) (see https://en.wikipedia.org/wiki/Anthony_Scaramucci)
DTSTART:20260928
DTEND:20260929
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 lunar orbit
DESCRIPTION:1 lunar orbit (27 days)
DTSTART:20261014
DTEND:20261015
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:20261015
DTEND:20261016
END:VEVENT

BEGIN:VEVENT
SUMMARY:One month
DESCRIPTION:One month (30 days)
DTSTART:20261017
DTEND:20261018
END:VEVENT

BEGIN:VEVENT
SUMMARY:Life-universe-and-everything
DESCRIPTION:Life-universe-and-everything (42 days)
DTSTART:20261029
DTEND:20261030
END:VEVENT

BEGIN:VEVENT
SUMMARY:10th Fibonacci number days
DESCRIPTION:10th Fibonacci number days (55 days)
DTSTART:20261111
DTEND:20261112
END:VEVENT

BEGIN:VEVENT
SUMMARY:Naughty-versary
DESCRIPTION:Naughty-versary (69 days)
DTSTART:20261125
DTEND:20261126
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:20261126
DTEND:20261127
END:VEVENT

BEGIN:VEVENT
SUMMARY:11th Fibonacci number days
DESCRIPTION:11th Fibonacci number days (89 days)
DTSTART:20261215
DTEND:20261216
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 days
DESCRIPTION:100 days (100 days)
DTSTART:20261226
DTEND:20261227
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 days
DESCRIPTION:123 days (123 days)
DTSTART:20270118
DTEND:20270119
END:VEVENT

BEGIN:VEVENT
SUMMARY:12th Fibonacci number days
DESCRIPTION:12th Fibonacci number days (144 days)
DTSTART:20270208
DTEND:20270209
END:VEVENT

BEGIN:VEVENT
SUMMARY:200 days
DESCRIPTION:200 days (200 days)
DTSTART:20270405
DTEND:20270406
END:VEVENT

BEGIN:VEVENT
SUMMARY:13th Fibonacci number days
DESCRIPTION:13th Fibonacci number days (233 days)
DTSTART:20270508
DTEND:20270509
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 lunar orbits
DESCRIPTION:10 lunar orbits (273 days)
DTSTART:20270617
DTEND:20270618
END:VEVENT

BEGIN:VEVENT
SUMMARY:300 days
DESCRIPTION:300 days (300 days)
DTSTART:20270714
DTEND:20270715
END:VEVENT

BEGIN:VEVENT
SUMMARY:Sparta!
DESCRIPTION:Sparta! (300 days)
DTSTART:20270714
DTEND:20270715
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 days
DESCRIPTION:321 days (321 days)
DTSTART:20270804
DTEND:20270805
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Earth year
DESCRIPTION:1 Earth year (365 days)
DTSTART:20270917
DTEND:20270918
END:VEVENT

BEGIN:VEVENT
SUMMARY:14th Fibonacci number days
DESCRIPTION:14th Fibonacci number days (377 days)
DTSTART:20270929
DTEND:20270930
END:VEVENT

BEGIN:VEVENT
SUMMARY:400 days
DESCRIPTION:400 days (400 days)
DTSTART:20271022
DTEND:20271023
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Not Found
DESCRIPTION:Anniversary Not Found (404 days)
DTSTART:20271026
DTEND:20271027
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:20280126
DTEND:20280127
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 days
DESCRIPTION:500 days (500 days)
DTSTART:20280130
DTEND:20280131
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Forbidden
DESCRIPTION:Anniversary Forbidden (503 days)
DTSTART:20280202
DTEND:20280203
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:20280215
DTEND:20280216
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:20280430
DTEND:20280501
END:VEVENT

BEGIN:VEVENT
SUMMARY:600 days
DESCRIPTION:600 days (600 days)
DTSTART:20280509
DTEND:20280510
END:VEVENT

BEGIN:VEVENT
SUMMARY:15th Fibonacci number days
DESCRIPTION:15th Fibonacci number days (610 days)
DTSTART:20280519
DTEND:20280520
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 galactic tick
DESCRIPTION:1 galactic tick (634 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20280612
DTEND:20280613
END:VEVENT

BEGIN:VEVENT
SUMMARY:Lucifersary
DESCRIPTION:Lucifersary (666 days)
DTSTART:20280714
DTEND:20280715
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Mars year
DESCRIPTION:1 Mars year (687 days)
DTSTART:20280804
DTEND:20280805
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000,000 minutes
DESCRIPTION:1,000,000 minutes (694 days)
DTSTART:20280811
DTEND:20280812
END:VEVENT

BEGIN:VEVENT
SUMMARY:700 days
DESCRIPTION:700 days (700 days)
DTSTART:20280817
DTEND:20280818
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Earth years
DESCRIPTION:2 Earth years (731 days)
DTSTART:20280917
DTEND:20280918
END:VEVENT

BEGIN:VEVENT
SUMMARY:Feynman-point days
DESCRIPTION:Feynman-point days (762 days) (see http://en.wikipedia.org/wiki/Feynman_point)
DTSTART:20281018
DTEND:20281019
END:VEVENT

BEGIN:VEVENT
SUMMARY:800 days
DESCRIPTION:800 days (800 days)
DTSTART:20281125
DTEND:20281126
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 weeks
DESCRIPTION:123 weeks (861 days)
DTSTART:20290125
DTEND:20290126
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Mercury years
DESCRIPTION:10 Mercury years (880 days)
DTSTART:20290213
DTEND:20290214
END:VEVENT

BEGIN:VEVENT
SUMMARY:900 days
DESCRIPTION:900 days (900 days)
DTSTART:20290305
DTEND:20290306
END:VEVENT

BEGIN:VEVENT
SUMMARY:16th Fibonacci number days
DESCRIPTION:16th Fibonacci number days (987 days)
DTSTART:20290531
DTEND:20290601
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 e years
DESCRIPTION:1 e years (993 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20290606
DTEND:20290607
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000 days
DESCRIPTION:1,000 days (1000 days)
DTSTART:20290613
DTEND:20290614
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:20290716
DTEND:20290717
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Earth years
DESCRIPTION:3 Earth years (1096 days)
DTSTART:20290917
DTEND:20290918
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 Mooches
DESCRIPTION:100 Mooches (1100 days) (see https://en.wikipedia.org/wiki/Anthony_Scaramucci)
DTSTART:20290921
DTEND:20290922
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,111 days
DESCRIPTION:1,111 days (1111 days)
DTSTART:20291002
DTEND:20291003
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Pi years
DESCRIPTION:1 Pi years (1147 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20291107
DTEND:20291108
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:20291212
DTEND:20291213
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:20300110
DTEND:20300111
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,234 days
DESCRIPTION:1,234 days (1234 days)
DTSTART:20300202
DTEND:20300203
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 galactic ticks
DESCRIPTION:2 galactic ticks (1267 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20300307
DTEND:20300308
END:VEVENT

BEGIN:VEVENT
SUMMARY:1337 days
DESCRIPTION:1337 days (1337 days) (see http://en.wikipedia.org/wiki/Leet)
DTSTART:20300516
DTEND:20300517
END:VEVENT

BEGIN:VEVENT
SUMMARY:50 lunar orbits
DESCRIPTION:50 lunar orbits (1365 days)
DTSTART:20300613
DTEND:20300614
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Mars years
DESCRIPTION:2 Mars years (1374 days)
DTSTART:20300622
DTEND:20300623
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000,000 minutes
DESCRIPTION:2,000,000 minutes (1389 days)
DTSTART:20300707
DTEND:20300708
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Earth years
DESCRIPTION:4 Earth years (1461 days)
DTSTART:20300917
DTEND:20300918
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:20301214
DTEND:20301215
END:VEVENT

BEGIN:VEVENT
SUMMARY:17th Fibonacci number days
DESCRIPTION:17th Fibonacci number days (1597 days)
DTSTART:20310131
DTEND:20310201
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:20310612
DTEND:20310613
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Mercury years
DESCRIPTION:20 Mercury years (1759 days)
DTSTART:20310712
DTEND:20310713
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:20310726
DTEND:20310727
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Earth years
DESCRIPTION:5 Earth years (1826 days)
DTSTART:20310917
DTEND:20310918
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 galactic ticks
DESCRIPTION:3 galactic ticks (1901 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20311201
DTEND:20311202
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:20311225
DTEND:20311226
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 e years
DESCRIPTION:2 e years (1985 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20320223
DTEND:20320224
END:VEVENT

BEGIN:VEVENT
SUMMARY:300th prime number (1987) days
DESCRIPTION:300th prime number (1987) days (1987 days)
DTSTART:20320225
DTEND:20320226
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000 days
DESCRIPTION:2,000 days (2000 days)
DTSTART:20320309
DTEND:20320310
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Mars years
DESCRIPTION:3 Mars years (2061 days)
DTSTART:20320509
DTEND:20320510
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:20320514
DTEND:20320515
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000,000 minutes
DESCRIPTION:3,000,000 minutes (2083 days)
DTSTART:20320531
DTEND:20320601
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Earth years
DESCRIPTION:6 Earth years (2192 days)
DTSTART:20320917
DTEND:20320918
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,222 days
DESCRIPTION:2,222 days (2222 days)
DTSTART:20321017
DTEND:20321018
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 weeks
DESCRIPTION:321 weeks (2247 days)
DTSTART:20321111
DTEND:20321112
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Venus years
DESCRIPTION:10 Venus years (2247 days)
DTSTART:20321111
DTEND:20321112
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Pi years
DESCRIPTION:2 Pi years (2295 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20321229
DTEND:20321230
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:20330114
DTEND:20330115
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:20330308
DTEND:20330309
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 galactic ticks
DESCRIPTION:4 galactic ticks (2535 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20330826
DTEND:20330827
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Earth years
DESCRIPTION:7 Earth years (2557 days)
DTSTART:20330917
DTEND:20330918
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:20331012
DTEND:20331013
END:VEVENT

BEGIN:VEVENT
SUMMARY:18th Fibonacci number days
DESCRIPTION:18th Fibonacci number days (2584 days)
DTSTART:20331014
DTEND:20331015
END:VEVENT

BEGIN:VEVENT
SUMMARY:30 Mercury years
DESCRIPTION:30 Mercury years (2639 days)
DTSTART:20331208
DTEND:20331209
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 lunar orbits
DESCRIPTION:100 lunar orbits (2730 days)
DTSTART:20340309
DTEND:20340310
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Mars years
DESCRIPTION:4 Mars years (2748 days)
DTSTART:20340327
DTEND:20340328
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000,000 minutes
DESCRIPTION:4,000,000 minutes (2778 days)
DTSTART:20340426
DTEND:20340427
END:VEVENT

BEGIN:VEVENT
SUMMARY:The amount of time it takes a particle of light to cross one octillion hydrogen molecules
DESCRIPTION:The amount of time it takes a particle of light to cross one octillion hydrogen molecules (2859 days) (see https://www.livescience.com/zeptosecond-shortest-time-unit-measured.html)
DTSTART:20340716
DTEND:20340717
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Earth years
DESCRIPTION:8 Earth years (2922 days)
DTSTART:20340917
DTEND:20340918
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:20341020
DTEND:20341021
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 e years
DESCRIPTION:3 e years (2978 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20341112
DTEND:20341113
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000 days
DESCRIPTION:3,000 days (3000 days)
DTSTART:20341204
DTEND:20341205
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:20350313
DTEND:20350314
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 galactic ticks
DESCRIPTION:5 galactic ticks (3169 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20350522
DTEND:20350523
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 Pluto days
DESCRIPTION:500 Pluto days (3193 days)
DTSTART:20350615
DTEND:20350616
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Earth years
DESCRIPTION:9 Earth years (3287 days)
DTSTART:20350917
DTEND:20350918
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,333 days
DESCRIPTION:3,333 days (3333 days)
DTSTART:20351102
DTEND:20351103
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Mars years
DESCRIPTION:5 Mars years (3435 days)
DTSTART:20360212
DTEND:20360213
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Pi years
DESCRIPTION:3 Pi years (3442 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20360219
DTEND:20360220
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Draconic years
DESCRIPTION:10 Draconic years (3466 days) (see http://en.wikipedia.org/wiki/Anomalistic_year)
DTSTART:20360314
DTEND:20360315
END:VEVENT

BEGIN:VEVENT
SUMMARY:5,000,000 minutes
DESCRIPTION:5,000,000 minutes (3472 days)
DTSTART:20360320
DTEND:20360321
END:VEVENT

BEGIN:VEVENT
SUMMARY:40 Mercury years
DESCRIPTION:40 Mercury years (3518 days)
DTSTART:20360505
DTEND:20360506
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:20360602
DTEND:20360603
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 reign of Richard the Lionheart
DESCRIPTION:1 reign of Richard the Lionheart (3561 days) (see https://en.wikipedia.org/wiki/Richard_I_of_England)
DTSTART:20360617
DTEND:20360618
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:20360810
DTEND:20360811
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Earth years
DESCRIPTION:10 Earth years (3653 days)
DTSTART:20360917
DTEND:20360918
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 galactic ticks
DESCRIPTION:6 galactic ticks (3802 days) (see https://en.wikipedia.org/wiki/Galactic_Tick_Day)
DTSTART:20370213
DTEND:20370214
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:20370402
DTEND:20370403
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 e years
DESCRIPTION:4 e years (3971 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20370801
DTEND:20370802
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000 days
DESCRIPTION:4,000 days (4000 days)
DTSTART:20370830
DTEND:20370831
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Earth years
DESCRIPTION:11 Earth years (4018 days)
DTSTART:20370917
DTEND:20370918
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:20371212
DTEND:20371213
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:20371226
DTEND:20371227
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Mars years
DESCRIPTION:6 Mars years (4122 days)
DTSTART:20371230
DTEND:20371231
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:20380109
DTEND:20380110
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:20380114
DTEND:20380115
END:VEVENT

END:VCALENDAR