1878, Exposition Universelle (1878), 1878 Macedonian rebellion, 1878 papal conclave, 1878 Amherst football team, Treaty of Berlin (1878), 1878 City of Dunedin by-election, 1878 Columbia football team, 1878–79 Scottish Cup, 1878 City of Wellington by-election, 1878–79 FA Cup, 1878 VFA season, 1878 Harvard Crimson football team, 1878 Yale Bulldogs football team, 1878 Penn Quakers football team, Expulsion of the Albanians (1877–1878), 1878 State of the Union Address, 1878 Carmarthen Boroughs by-election, 1878 in the United States, 1878 Brown Bears football team, 1878 Queensland colonial election, Solar eclipse of July 29, 1878, 1878 Atlantic hurricane season, 1878 Rutgers Queensmen football team, 1878 Roslyn by-election, Epirus Revolt of 1878, 1878 flood in Miskolc, 1878 Taieri by-election, 1878 Princeton Tigers football team, 1878 Liverpool Town Council election, 1878 men's tennis season, 1878–79 West Bromwich Strollers F.C. season, 1878 women's tennis season, 1878 Parnell by-election, 1878 Rochester by-election, 1878 Canadian federal election, 1878 Timaru by-election, 1878–79 Welsh Cup, 1878 in Canada, Serbian–Ottoman Wars (1876–1878), Montenegrin–Ottoman War (1876–1878)

1878 in France, 1878 British Columbia general election, 1878 Waipa by-election, 1878 Wallingford tornado, 1878 Greenock by-election, 1878 Argyllshire by-election, 1878 FA Cup final, Russo-Turkish War (1877–1878), 1878–79 Hibernian F.C. season, 1878 SAFA season, 1878 Hokitika by-election, 1878 Massachusetts legislature, Swarthmore football, 1878–1887, 1878 Wimbledon Championship, 1878 Cheviot by-election, 1878 Franklin by-election, Cretan revolt (1878), 1878 Bristol by-election, 1878 Cirencester by-election, 1878 CCNY Lavender football team, 1878 United States elections, 1878 Truro by-election, 1878–79 United States House of Representatives elections, 1878 Grey Valley by-election, 1878 in sports, 1878 Cincinnati Reds season, 1878 Oregon gubernatorial election, 1878 Peterborough by-election, 1878 Invercargill by-election, 1878 Port Chalmers by-election, 1878 North Lancashire by-election, 1878 Welsh Cup final, 1878 Maldon by-election, 1878 Perthshire by-election, 1878 in association football, HMS Tyne (1878), 1878 Alabama gubernatorial election, Washington: Village and Capital, 1800–1878, 1878 Hereford by-election, 1878 Boston by-election, 1878 in the United Kingdom, 1878 Marlborough by-election, 1878 Middlesbrough by-election, Battle of Plovdiv (1878), 1878 Perth by-election, 1878 Massachusetts gubernatorial election, 1878 Manitoba general election, 1878 Christchurch mayoral election, 1878 Quebec general election, 1878 German federal election

1878, Exposition Universelle (1878), 1878 Macedonian rebellion, 1878 papal conclave, 1878 Amherst football team, Treaty of Berlin (1878), 1878 City of Dunedin by-election, 1878 Columbia football team, 1878–79 Scottish Cup, 1878 City of Wellington by-election, 1878–79 FA Cup, 1878 VFA season, 1878 Harvard Crimson football team, 1878 Yale Bulldogs football team, 1878 Penn Quakers football team, Expulsion of the Albanians (1877–1878), 1878 State of the Union Address, 1878 Carmarthen Boroughs by-election, 1878 in the United States, 1878 Brown Bears football team, 1878 Queensland colonial election, Solar eclipse of July 29, 1878, 1878 Atlantic hurricane season, 1878 Rutgers Queensmen football team, 1878 Roslyn by-election, Epirus Revolt of 1878, 1878 flood in Miskolc, 1878 Taieri by-election, 1878 Princeton Tigers football team, 1878 Liverpool Town Council election, 1878 men's tennis season, 1878–79 West Bromwich Strollers F.C. season, 1878 women's tennis season, 1878 Parnell by-election, 1878 Rochester by-election, 1878 Canadian federal election, 1878 Timaru by-election, 1878–79 Welsh Cup, 1878 in Canada, Serbian–Ottoman Wars (1876–1878), Montenegrin–Ottoman War (1876–1878), 1878 in France, 1878 British Columbia general election, 1878 Waipa by-election, 1878 Wallingford tornado, 1878 Greenock by-election, 1878 Argyllshire by-election, 1878 FA Cup final, Russo-Turkish War (1877–1878), 1878–79 Hibernian F.C. season, 1878 SAFA season, 1878 Hokitika by-election, 1878 Massachusetts legislature, Swarthmore football, 1878–1887, 1878 Wimbledon Championship, 1878 Cheviot by-election, 1878 Franklin by-election, Cretan revolt (1878), 1878 Bristol by-election, 1878 Cirencester by-election, 1878 CCNY Lavender football team, 1878 United States elections, 1878 Truro by-election, 1878–79 United States House of Representatives elections, 1878 Grey Valley by-election, 1878 in sports, 1878 Cincinnati Reds season, 1878 Oregon gubernatorial election, 1878 Peterborough by-election, 1878 Invercargill by-election, 1878 Port Chalmers by-election, 1878 North Lancashire by-election, 1878 Welsh Cup final, 1878 Maldon by-election, 1878 Perthshire by-election, 1878 in association football, HMS Tyne (1878), 1878 Alabama gubernatorial election, Washington: Village and Capital, 1800–1878, 1878 Hereford by-election, 1878 Boston by-election, 1878 in the United Kingdom, 1878 Marlborough by-election, 1878 Middlesbrough by-election, Battle of Plovdiv (1878), 1878 Perth by-election, 1878 Massachusetts gubernatorial election, 1878 Manitoba general election, 1878 Christchurch mayoral election, 1878 Quebec general election, 1878 German federal election, 1878 York by-election, 1878 Providence Grays season, 1878 Canterbury by-election, 1878 Worcester by-election, 1878 Belfast by-election, Public Health (Ireland) Act 1878, Thomas Scott (1808–1878), 1878 Reading by-election, 1878 Vermont gubernatorial election, 1878 Tamworth by-election, 1878 Southampton by-election, 1878 Flint Boroughs by-election, 1878 Down by-election, 1878 Oxford University by-election, 1878–79 United States Senate elections, 1878 New York state election, 1878 Oxfordshire by-election, 1878–79 Dumbarton F.C. season, Contagious Diseases (Animals) Act 1878, 1878 Pennsylvania gubernatorial election, 1878 North Staffordshire by-election, 1878 Scottish Cup final, 1878 South Carolina gubernatorial election, 1878 South Northumberland by-election, 1878 Haddington Burghs by-election, 1878 Major League Baseball season, 1878 East Somerset by-election, SS Ralph Creyke (1878), 1878 Nova Scotia general election, Anglo-Portuguese Treaty of 1878, 1878 New Brunswick general election, 1878 West Kent by-election, 1878 Leith Burghs by-election, 1878 Londonderry County by-election, 1878 Mid Somerset by-election, International cricket in 1878–79, 1878 New Ross by-election, 1878 Belgian general election, Princess Isabelle of Orléans (1878–1961), Bill Henderson (footballer, born 1878), Gaiety Theatre (Boston, 1878), 1878 Chicago White Stockings season, Edward J. Gay (politician, born 1878), 1878 Boston Red Caps season, John Boucher (1819–1878), Indian Treasure Trove Act, 1878, 1878 Newcastle-under-Lyme by-election, 1878 Newfoundland general election, James Martin (1807–1878), 1878–79 in English football, Australian cricket team in England and North America in 1878, 1878 Middlesex by-election, Members of the Queensland Legislative Assembly, 1878–1883, Statute Law Revision (Ireland) Act 1878, Salem witchcraft trial (1878), 1878 Swedish general election, 1878 Hungarian parliamentary election, 1878 Portuguese legislative election, James Douglas (1878–1956), 1878 New Hampshire gubernatorial election