986 CE
Battle of the Gates of Trajan
Battle · Europe
On this day
283 events in the atlas are dated to 17 August, from 986 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
986 CE
Battle · Europe
1862
War · North America
1945
War · Southeast Asia · 1945 – 1949
1998
Event
2017
Natural disaster · North America
2021
Rebellion · 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.