On This Day in History - March 20
| Discover today's historical events and the facts. Listed here the time line of events that happened on this day in history |
| Click on the date from the below calendar to know the historical events happened on that particular day. |
|What Happened On This Day In History - March 20|
0235 March 20
Maximinus Thrax is proclaimed emperor. He is the first foreigner to hold the Roman throne.
1208 March 20
Michael IV Autoreianos is appointed Ecumenical Patriarch of Constantinople.
1964 March 20
The European Space Research Organization was established.
1987 March 20
The anti-AIDS drug AZT becomes publicly available.