27 notable events from 1855.
- Third plague pandemic
1855–1945 · —
- Qurnah disaster
May 23, 1855 · Iran
- Santhal rebellion
Jun 30, 1855–Nov 10, 1855 · India
- Toronto circus riot
Jul 13, 1855 · Canada
- 1855 Edo earthquake
Nov 11, 1855 · Japan
- Martin Dumollard
Jan 1, 1855–Jan 1, 1861 · France
- Great Gold Robbery
May 15, 1855 · United Kingdom
- Battle of Kinburn (1855)
Oct 17, 1855 · Ukraine
- Battle of Ash Hollow
Sep 3, 1855 · United States
- Rogue River Wars
Oct 8, 1855 · United States
- 1855 Wairarapa earthquake
Jan 23, 1855 · New Zealand
- Bloody Monday
Aug 6, 1855 · United States
- Siege of Taganrog
Nov 24, 1855 · Russian Federation
- State of Missouri v. Celia, a Slave
1855 · United States
- Wakarusa War
Dec 1855 · United States
- Gasconade Bridge train disaster
Nov 1, 1855 · United States
- Lager Beer Riot
Apr 21, 1855 · United States
- Bombardment of Sveaborg
Aug 7, 1855–Aug 9, 1855 · Finland
- Portland Rum Riot
Jun 2, 1855 · United States
- 1855 Hida earthquake
Mar 18, 1855 · Japan
- 1855 Bursa earthquake
Feb 28, 1855 · Türkiye
- Karachay Uprising of 1855
Aug 1, 1855 · —
- New Year's Flood of 1855
1855 · —
- 1855 Camden & Amboy rail accident
Aug 29, 1855 · United States
- Karakalpak rebellion (1855–1856)
Jan 1, 1855–Jan 1, 1856 · Uzbekistan
- La Bande noire (Charleroi)
Jan 1, 1855 · Belgium
- Dutch floods of 1855
from Mar 8, 1855 · Netherlands