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Bitcoin Calendar
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Historical Bitcoin and freedom tech events delivered at your digital doorstep. Daily.

03-22-2011

Today, 12 years ago, WeUseCoins released the viral "What Is Bitcoin?" video which has now been viewed more than 10 million views.

https://www.youtube.com/watch?v=Um63OQz3bjo

https://www.weusecoins.com/

03-14-2023

Happy Pi Day!

https://www.piday.org/

Image courtesy #[0]

Protocol rule results in a hard fork

03-11-2013 - 03-12-2013 - A previously undiscovered protocol rule resulted in a hard fork of the 0.8.0 reference client.

https://bitcoin.org/en/alert/2013-03-11-chain-fork

Grab extra 2100 for sharing the years. You are Satoshi.

So it’s Zapturday and with so many zaps flying around I’ve decided to move some sats around LN too. But let’s make it educational:

The first three people to arrange these discoveries in correct chronological order will get zapped 2100 sats:

• Bit gold by Nic Szabo

• Ecash by David Chaum

• RPOW by Hal Finney

• Hashcash by Adam Back

You’ve got 30 minutes.

I’ll come back with the results at 07:30 UTC

Another big one today is Empower: Energyzing Bitcoin

8-9 March, HOUSTON, TEXAS 713 Music Hall

Among 50 speakers are Parker Lewis, Dennis Porter and more…

See details & map here: bitcal.21ideas.org/posts/Empower

Empower: Energyzing Bitcoin kicks off tomorrow.

8-9 March, HOUSTON, TEXAS 713 Music Hall

Among 50 speakers are Parker Lewis, Dennis Porter and more…

You can get a 25% discount on tickets by visiting https://digitalwildcatters.com/empower-2023/

See details & map here: https://bitcal.21ideas.org/posts/Empower/

04-03-2013 Skepticism

Heidi Moore (The Guardian US): "Confused about Bitcoin? It's 'the Harlem Shake of currency'" (at $115.09)

https://web.archive.org/web/20131030110314/http://www.theguardian.com/commentisfree/2013/apr/03/bitcoin-currency-bubble-crash-not-rocking-financial-markets

If anyone has, let me know, I'll add them to the upcoming meetups calendar and on the website so more people can join https://bitcal.21ideas.org/about/

Gold Parity Day

03-03-2017 - Bitcoin price reached the price of an ounce of gold for the first time.

100 followers 🎉

Big thanks to each and every one of you!

I'm working on some fun ways to reward the OGs, so stay tuned for some zap ⚡️ quizzes and and other stuff 🛸 transmitted over relays!

Check out the resource presenting the most important Bitcoin & Nostr historical and upcoming events: https://bitcal.21ideas.org/about/

#learn_bitcoin

The MtGox exchange rate broke the June 8 2011 peak

02-28-2013

The MtGox exchange rate broke the June 8 2011 peak of $31.91. The first all time high since 601 days.

https://en.bitcoin.it/wiki/Mt._Gox

First successful ZKCP on the Bitcoin network

02-26-2016 - First successful Zero-Knowledge Contingent Payment (ZKCP) on the Bitcoin network took place.

https://bitcoincore.org/en/2016/02/26/zero-knowledge-contingent-payments-announcement/

Yep, was checking out https://zaplife.lol/ and stumbled upon the #zapraiser tab. Really cool initiative. Will be huge when more people find out about it!

Let me try this new zapraiser thing created by #[0]

When I grow up I want to become a helpful friend for every Nostr and Bitcoin pleb, keeping you up to date with all historical and upcoming events. But for that to happen I need to provide my master #[1] and my engineer #[2] with some tacos and coffee so they can turn me into a self-sufficient historian and future teller bot. Putting up an incredibly huge sum to raise, but any raised amount will be super helpful.

#zapraiser 1M

My website (still under construction): https://bitcal.21ideas.org/about/

Lightning Pizza Day

02/25 2018 - Laszlo Hanyecz, the man that completed the world’s first documented Bitcoin transaction for a physical item in 2010 -- 10,000 BTC for two pizzas -- has bought two more pizzas using the Lightning Network.

"I wanted to try out a real trade using lightning network. I don't know of any pizza places near me that accept lightning bitcoin yet but a friend from London agreed to do it and he sub contracted out the pizza delivery to a local shop."

https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/001044.html

⚡️ P.S. all zaps collected today will be spent on pizza