Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei

Messier adds M51 (spiral...

event · 11 January 1774 · 250 years ago

Messier adds M51 (spiral galaxy in Canes Venatici) to his catalog

More events on 11 Jan