WHAT ALL HAPPENED MAY TO AUGUST 1878
Find out what all happened May to August 1878

Canada joins the Universal Postal Union. (1. July 1878)

The coat of arms of the Baku Governorate is established. (5. July 1878)

Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures. (15. June 1878)

League of Prizren is established, to oppose the decisions of the Congress of Berlin and the Treaty of San Stephano, as a consequence of which the Albanian lands in Balkans were being partitioned and given to the neighbor states of Serbia, Montenegro, Bulgaria and Greece. (10. June 1878)

Cyprus Convention: The Ottoman Empire cedes Cyprus to the United Kingdom but retains nominal title. (4. June 1878)

Thoroughbred horses Ten Broeck and Mollie McCarty run a match race, recalled in the song Molly and Tenbrooks. (4. July 1878)

Treaty of Berlin: the European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire. (13. July 1878)

Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London. (25. May 1878)