1040
Battle of Dandanaqan
Battle · Central Asia
On this day
306 events in the atlas are dated to 23 May, from 844 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
1040
Battle · Central Asia
1568
War · Europe · 1568 – 1648
1926
Event · Middle East
1959
War · Southeast Asia · 1959 – 1975
2014
Attack · North America
2026
Protest · Europe
Each event is listed under the date its sources give, as its page shows it. Before 1582, and in some countries later (Britain until 1752, Russia until 1918), that is a date of the Julian calendar, as on Wikipedia’s pages for each day.