On 3 January 2009, the bitcoin network was created when Nakamoto mined the starting block of the chain, known as the genesis block.

17 years back on this day: Satoshi Nakamoto mined the #Bitcoin Genesis Block. Satoshi left a message in the code of this block: 𝐓𝐡𝐞 𝐓𝐢𝐦𝐞𝐬 𝟎𝟑/𝐉𝐚𝐧/𝟐𝟎𝟎𝟗 𝐂𝐡𝐚𝐧𝐜𝐞𝐥𝐥𝐨𝐫 𝐨𝐧 𝐛𝐫𝐢𝐧𝐤 𝐨𝐟 𝐬𝐞𝐜𝐨𝐧𝐝 𝐛𝐚𝐢𝐥𝐨𝐮𝐭 𝐟𝐨𝐫 𝐛𝐚𝐧𝐤𝐬 #HappyBirthdayBitcoin