On this Day in History

On this Day in History in 1904: US Congress authorizes Lewis & Clark Expo $1 gold coin.
 
On this Day in History in 837: Best view of Halley’s Comet in 2000 years.
 
On this Day in History in 1970: Apollo 13 announces “Houston, we’ve got a problem!” as Beech-built oxygen tank explodes en route to Moon.

On this Day in History

On this Day in History in 837: Comet 1P/837 F1 (Halley) approaches within 0.0334 AUs of Earth.
 
On this Day in History in 1710: The first law regulating copyright is issued in Great Britain.
 
On this Day in History in 1930: The first synthetic rubber was produced.