On This Day in History - September 23
| 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 - September 23|
1949 September 23
Harry Truman announces evidence of USSR's 1st nuclear device detonation.
1964 September 23
1st Minuteman II ICBM was tested.
1972 September 23
Philippines President Ferdinand Marcos declares martial law.
2002 September 23
The Mozilla Firefox, then known as Phoenix, web browser was born.