WHAT ALL HAPPENED FEBRUARY TO SEPTEMBER 1870
Find out what all happened February to September 1870

Franco-Prussian War: Battle of Gravelotte is fought. (18. August 1870)

The Republic of Ploiești, a failed Radical-Liberal rising against Domnitor Carol of Romania. (8. August 1870)

Tower Subway, the world's first underground tube railway, opens in London, England, United Kingdom. (2. August 1870)

Louisa Ann Swain of Laramie, Wyoming becomes the first woman in the United States to cast a vote legally after 1807. (6. September 1870)

The Bulgarian Exarchate is established by decree of Sultan Abd-ul-Aziz of the Ottoman Empire. (28. February 1870)

The YWCA is founded in New York City. (10. February 1870)

The United States Department of Justice formally comes into existence. (1. July 1870)

Franco-Prussian War: The Battle of Mars-la-Tour is fought, resulting in a Prussian victory. (16. August 1870)

Marshal F.S. López dies during the Battle of Cerro Corá thus marking the end of the Paraguayan War. (1. March 1870)

Franco-Prussian War: the Siege of Metz begins, resulting in a decisive Prussian victory on October 23. (3. September 1870)

The Wolseley Expedition reaches Manitoba to end the Red River Rebellion. (24. August 1870)

Franco-Prussian War: the Battle of Spicheren is fought, resulting in a Prussian victory. (6. August 1870)

Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories. (15. July 1870)

Having invaded the Papal States a week earlier, the Italian Army lays siege to Rome, entering the city the next day, after which the Pope described himself as a Prisoner in the Vatican. (19. September 1870)

Old Faithful Geyser is observed and named by Henry D. Washburn during the Washburn-Langford-Doane Expedition to Yellowstone. (18. September 1870)

Bersaglieri corps enter Rome through the Porta Pia and complete the unification of Italy. (20. September 1870)

In the United States, post-Civil War military control of Mississippi ends and it is readmitted to the Union. (23. February 1870)

Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in the U.S. Congress. (25. February 1870)

The New York City Metropolitan Museum of Art is founded. (13. April 1870)

Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union. (15. July 1870)