634 CE
Siege of Damascus
Siege · Middle East
On this day
341 events in the atlas are dated to 21 August, from 634 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
634 CE
Siege · Middle East
1791
Rebellion · Mesoamerica and the Caribbean
1866
Rebellion · Europe · 1866 – 1869
1942
Battle · Oceania
1986
Natural disaster · Sub-Saharan Africa
2011
Natural disaster · North America
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.