HistoryData

Historical Events on September 17

21 significant historical events occurred on September 17. September 17 has been the date of several key military and political events throughout history. On this day in 1809, the Treaty of Fredrikshamn was signed, ending the Finnish War between Russia and Sweden. In 1862, the Battle of Antietam occurred during the American Civil War. During World War II in 1943, the Allies invaded Italy on this date. Other notable events include the 1894 Battle of the Yalu River and the 1961 West German federal election.

Total Events
21
Time Span
11972024
Categories
4
Top Category
war
15 events

20 famous birthdays on September 17

Including Christian Lange, Narendra Modi, Sergej Barbarez

Event Distribution by Century

Darker = Higher Density
12th C.21st C.

12th Century

1 event
war

Battle between the Kingdom of Jerusalem and Ayyubid Dynasty

14th Century

2 events
war

1320 Part of the Byzantine–Frankish conflicts of the Frankokratia

disaster

Earthquake sequence in Italy's Apennine Mountain region

15th Century

3 events
war

1429 Joan D' Arc's Siege

war

1462 battle during the Thirteen Years' War. Decisive Polish victory over Teutonic Knights

war

1487 battle between Poland and the Crimean Khanate

17th Century

2 events
war

Protestants’ first major victory of the Thirty Years War in 1631

war

1658 battle of the Portuguese Restoration War

18th Century

2 events
war

1793 battle during the War of the Pyrenees

war

Battle near the village of Krupczyce (near today's Kobryn, Belarus), part of the Polish Revolution of 1794 (the so called Kościuszko Uprising)

19th Century

6 events
politics

Treaty of Fredrikshamn — September 1809 peace treaty between Russia and Sweden

war

1845 major battle of the Dominican War of Independence

politics

Riot in former Bytown, Ontario in 1849

war

1861 battle of the Trans-Mississippi Theater of the American Civil War

war

1862 major battle of the American Civil War

war

1900 battle during the Philippine–American War

20th Century

4 events
war

Battle in 1925 during the Great Syrian Revolt

politics

1961 West German federal election — election

general

Camp David Accords — 1978 political agreement between Egypt and Israel

war

Naval incident between North Korea and South Korea

21st Century

1 event
general

Mali attack by jihadist insurgents

Explore More for September 17

Discover births, deaths, and deeper historical trends for this date.