JUL 30, 2015
Ethereum goes live.
Mainnet launches. There is no token standard yet, and developers are working out conventions as they go.

MAY 4, 2016
An anonymous builder starts experimenting.
An unknown address starts deploying contracts, including one named ETHERLITE. Two ETHERLITE versions land sixteen minutes apart. It all happens in public, on mainnet.

MAY 8, 2016 · 04:53 UTC · BLOCK 1,477,731
“test” is deployed.
The same address deploys a token named simply “test”, compiled with Solidity v0.3.2. The supply is fixed at 10,000,000,000 units. Every unit goes into the contract itself; the deployer keeps none.