← Index1850 AD — 1850 ADPit River Indian WarBattles2Timespan0 yrsCountries2Combatants (6)United StatesPit River IndiansIndiansCaliforniaPit RiverRussianTheatresBattles (2)1850 AD01Clear LakeUnited States39.02°N, -122.92°E · United StatesMassacre1850 AD02RussianUnited States38.45°N, -123.13°E · United StatesMassacre