1291
Siege of Acre
Siege · Middle East
On this day
328 events in the atlas are dated to 4 April, from 1139 to 2026. The best known come first; below them is every one, age by age, the most significant first.
1291
Siege · Middle East
1794
Battle · Europe
1860
Event · Europe · 1860 – 2002
1968
Political · North America
2004
Battle · Middle East
2016
Election · South Asia
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.