Dashed left edge = started before July 1870 ·
Dashed right edge = ongoing beyond July 1870
Events in July 1870 4
1870Manitoba Becomes a Canadian ProvinceThe Manitoba Act creates Canada's fifth provinceThe Manitoba Act took effect on 15 July 1870, creating the province of Manitoba and admitting it into the Canadian Confederation. The act followed negotiations with Louis Riel's provisional government after the Red River Resistance. It guaranteed land and language rights for the Metis population.
1870First Vatican Council Declares Papal InfallibilityCatholic dogma affirms the pope's teaching authorityThe First Vatican Council approved the dogma of papal infallibility on 18 July 1870, holding that the pope cannot err when defining doctrine on faith or morals in his official capacity as head of the Church. The council was suspended weeks later when Italian troops captured Rome. It marked a defining moment in modern Catholic doctrine.
1870 – 1871Franco-Prussian WarFall of the Second EmpireThe conflict that led to the collapse of Napoleon III's rule and the unification of Germany.
1870Franco-Prussian War BeginsFrance declares war on PrussiaFrance declared war on Prussia on 19 July 1870 after tensions over the Hohenzollern candidacy for the Spanish throne and the Ems Dispatch. The conflict pitted France against Prussia and its German allies. Prussian victories led to the collapse of the French Second Empire within weeks.