1297
Treaty of Alcañices
Treaty · Europe
On this day
330 events in the atlas are dated to 12 September, from 33 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
1297
Treaty · Europe
1683
Battle · Europe
1847
Battle · Mesoamerica and the Caribbean
1974
War · Sub-Saharan Africa · 1974 – 1991
1980
Political · Middle East
2026
Political · 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.