January 1, 1850
Compromise of 1850 — compromise on slavery in U.S. territories annexed from Mexico in the Mexican-American war
Disturbances at Prison in Fremantle, Western Australia
Ecuadorian and Swedish altercation
1850 diplomatic treaty between Dominican Republic and Great Britain
1850 battle in the First Schleswig War
Violent clashes in Mauritius between 1800–1900
Taiping Rebellion — Qing Dynasty era rebellion (1851–1864)