Bitcoin Holiday Calendar
December
Contribute
Sun
Mon
Tue
Wed
Thu
Fri
Sat
12
La Fuga - Satoshi's Final Message
December 12th, 2010
On this day in 2010, Satoshi sent their last message to the world, and then ceased public communication with the Bitcoin community, never to be heard from again.
Bitcoin Holiday
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.
Bitcoin Holiday