Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
Today
BTC Balkans
ConferencesSunday 1 November
A two-day, community-run Bitcoin conference for the Balkans, with keynotes, panels and workshops.
May 2025
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9Terra collapses, 2022 | 10 | 11The third halving, 2020 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22Pizza Day, 2010 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
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Events in May 2025
Friday 9 May541 days ago
Terra's UST stablecoin collapses, 2022
3 years ago. TerraUSD (UST), a stablecoin meant to stay worth $1, lost its peg and collapsed within days, and its sister token LUNA fell to almost zero. UST relied on an algorithm linked to LUNA to hold its value, rather than reserves of cash or bonds.
MarketsSourceCoinDesk, UST Stablecoin Loses Dollar Peg for Second Time in 48 Hours (9 May 2022)
Sunday 11 May539 days ago
The third halving, 2020
5 years ago. At block 630,000 the reward for mining a block fell from 12.5 to 6.25 bitcoin, the third halving.
NetworkSee block 630,000SourceBitcoin Core source, nSubsidyHalvingInterval = 210000
Thursday 22 May528 days ago
Bitcoin Pizza Day, 2010
15 years ago. Laszlo Hanyecz paid 10,000 BTC for two pizzas, one of the first known purchases made with bitcoin.
MilestonesSee block 57,043See the paymentSourceLaszlo Hanyecz, "Pizza for bitcoins?", bitcointalk (archived copy)What happened