BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//21btc.cc//Bitcoin calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Календарь биткоина · 21btc.cc
BEGIN:VEVENT
UID:first-tx-day@21btc.cc
DTSTAMP:20261010T064113Z
DTSTART;VALUE=DATE:20090112
DTEND;VALUE=DATE:20090113
RRULE:FREQ=YEARLY
SUMMARY:₿ День первой транзакции
DESCRIPTION:Сатоши отправил 10 BTC Хэлу Финни 12 я
 нваря 2009 г.\nhttps://mempool.space/tx/f4184fc596403b9d638783cf57ad
 fe4c75c605f6356fbc91338530e9831e9e16
URL:https://21btc.cc/calendar#sx-calendar-h-first-tx-day
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR