Dashed left edge = started before April 1847 ·
Dashed right edge = ongoing beyond April 1847
Events in April 1847 2
1847Donner Party rescuedSurvivors of the snowbound California emigrant group are brought out of the Sierra NevadaRelief parties reached the Donner Party trapped in the Sierra Nevada since late 1846. Of about 87 members, roughly 48 survived, some by resorting to cannibalism. The episode became among the best-known tragedies of the westward migration.
1847Battle of Cerro GordoScott's army routs Santa Anna on the road to Mexico CityWinfield Scott's army outflanked a Mexican force under Santa Anna in the mountain pass of Cerro Gordo. The Mexican position collapsed and thousands of prisoners were taken. The American advance toward the capital continued.