Births on August 12

Klara Hitler, Austrian mother of Adolf Hitler (d. 1907)

Klara Hitler (née Pölzl; 12 August 1860 – 21 December 1907) was the mother of Adolf Hitler, dictator of Nazi Germany.

27 May

Italian unification
Giuseppe Garibaldi begins his attack on Palermo, Sicily, as part of the Italian unification.
7 Sep

Giuseppe Garibaldi
Italian unification: Giuseppe Garibaldi enters Naples.
20 Sep

Edward VII of the United Kingdom
The Prince of Wales (later King Edward VII of the United Kingdom) visits Canada and the United States.
8 Oct

San Francisco
Telegraph line between Los Angeles and San Francisco opens.
26 Oct

Giuseppe Garibaldi
Meeting of Teano. Giuseppe Garibaldi, conqueror of the Kingdom of the Two Sicilies, gives it to King Victor Emmanuel II of Italy.