Bitcoin Holiday Calendar
August
Contribute
Sun
Mon
Tue
Wed
Thu
Fri
Sat
01
Bitcoin Independence Day
August 1st, 2017
The official end of the Blocksize Wars. On August 1, 2017, Bitcoin users demonstrated their independence from miner control by successfully deploying a software upgrade through a user-activated soft fork (UASF) that circumvented uncooperative miners, making it clear that users (ie nodes), not miners or companies, control the rules of the Bitcoin network. If you want to learn more about this topic, we recommend the [Blocksize Wars Book](https://blog.bitmex.com/the-blocksize-war/)
Bitcoin Holiday
08
SegWit Lock-in Day
August 8th, 2017
Segregated Witness is officially locked in by the UASF client on the Bitcoin network.
Bitcoin Holiday
13
Coinkite Was Born #140,900
August 13th, 2011
On this day in 2011, Block 140,900 Coinkite is established.
18
Bitcoin.org Registered
August 18th, 2008
Satoshi Nakamoto registered Bitcoin.org using Anonymousspeech.com on August 18, 2008, before the official release of Bitcoin’s whitepaper. It is the earliest known public timestamp associated with the inception of Bitcoin.
Bitcoin Holiday
20
Satoshi Emails Adam Back For Hashcash Citation
August 20th, 2008
Satoshi Nakamoto contacted Adam Back on this day to let Adam Back know about the whitepaper Satoshi was working on and to confirm the correct citation information for Adam Back's Hashcash paper, which describes Proof of Work, as used by Bitcoin.
Bitcoin Holiday
21
Bitcoin Infinity Day
August 21st, 2021
Today is Bitcoin Infinity Day: ∞/21M on 8/21!
Bitcoin Holiday
23
Activation Day
August 23rd, 2017
On this day in 2017 at 1:57 UTC, Segwit activated on the Bitcoin mainnet at block height 481,824.
Bitcoin Holiday