
Bitcoin Holiday Calendar
December
Sun
Mon
Tue
Wed
Thu
Fri
Sat
28
Haters in Disbelief Day
November 28th, 2013
Bitcoin breaks four digits for the first time in 2013!

14
Coldcard makes its debut
December 14th, 2017
On this day in 2017, the world's most trusted and secure bitcoin hardware wallet, the Coldcard, is first released.
18
HODL day
December 18th, 2013
On this day in 2013, a very drunk user on the bitcointalk.org forums decided to make a post about why he wasn't selling despite the falling price.
Read the original discussion, "I AM HODLING", here.
Read the original discussion, "I AM HODLING", here.

Diffie-Hellman dayBitcoin Logo DayBitcoin Whitepaper DayBitcoin's birthday!Proof of Keys DayGenesis Transaction DayBitcoin Pizza DaySilk Road DayAltcoin Genesis DayThe great bitcoin bubble of 2011Coinkite Was Born #140,900The death of Mt. Gox24 block rollbackThe Billion Dollar DayBitcoin ATM DayShitcoin DayFree Ross DayHaters in Disbelief DayHODL dayI am not Dorian NakamotoOpendime makes its debutThe Slaying of the BearWhaleThis is Gentlemen!Lightning Whitepaper DayBitconneeeeeeeeect!Gold Parity DayFirst Lightning payment on LTCNY Disagreement DayBitcoin Independence DaySegWit Lock-in DayActivation DayS2X Failure to Launch DayColdcard makes its debutLightning Pay DayLightning Pizza DayLightning Network TorchBitcoin Infinity DayCraig Wright is a Fraud DayMoscow timeLaw declaring bitcoin legal tender in El Salvador passesBitcoin becomes legal tender in El Salvador