Helsinki
City
Capital of Finland since 1812; called Helsingfors in Swedish.
Held by
- 1789 – September 16, 1809 Sweden
- September 17, 1809 – September 14, 1917 Russian Empire
- September 14, 1917 – November 7, 1917 Russia
- since December 6, 1917 Finland
Capital of
- since April 8, 1812 Finland
Events here 8
- March 2 – May 3, 1808 Siege of Sveaborg
- August 9–10, 1855 Bombardment of Sveaborg
- June 16, 1904 Assassination of Nikolay Bobrikov
- July 31 – August 2, 1906 Sveaborg rebellion
- January 21, 1932 Soviet–Finnish Non-Aggression Pact
- August 1, 1975 Helsinki Accords
- March 24, 1992 Treaty on Open Skies
- July 16, 2018 2018 Russia–United States summit