21 significant historical events occurred on September 23. September 23 is a notable date in Formula One racing history, with two Grand Prix events occurring on this day in different decades. These include the 1973 Canadian Grand Prix and the 1990 Portuguese Grand Prix, each important in their championship seasons.
Total Events
21
Time Span
1259–2022
Categories
2
Top Category
war
15 events
19 famous birthdays on September 23
Including Lord Boyd Orr, Clifford G. Shull, Jaroslav Seifert
View Birthdays
Event Distribution by Century
Darker = Higher Density13th C.21st C.
13th Century
1 event14th Century
1 event15th Century
1 event17th Century
1 event18th Century
1 event19th Century
4 events20th Century
10 events21st Century
2 eventsExplore More for September 23
Discover births, deaths, and deeper historical trends for this date.