On this day in History - May 11

868 – A copy of the Diamond Sūtra is published, the earliest dated and printed book known.

1997 – Deep Blue, a chess-playing supercomputer, defeats Garry Kasparov in the last game of the rematch, becoming the first computer to beat a world-champion chess player in a classic match format.

2024 – Start/Middle of the May 2024 Solar Storms, the most powerful set of geomagnetic storms since the 2003 Halloween solar storms.