The first Bitcoin transaction took place on January 12, 2009. This is also the date when the first block of Bitcoin was mined.
The first transaction was a simple send of 50 Bitcoins from one address to another.
The sender of the 50 Bitcoins was Satoshi Nakamoto, the creator of Bitcoin. The recipient was Hal Finney, a computer scientist and early Bitcoin adopter.
This first transaction is significant because it shows that Bitcoin can be used to send money electronically between two parties without the need for a third party such as a bank or payment processor.
It also laid the foundation for all future Bitcoin transactions and showed that the blockchain technology that underlies Bitcoin is secure and reliable.
Since then, billions of dollars worth of Bitcoin has been transacted and the network has grown exponentially. Today, there are millions of people around the world using Bitcoin to buy goods and services or simply to store value.