Births on September 26

Cosme Argerich, Argentinian physician (d. 1820)

Cosme Mariano Argerich (26 September 1758 – 14 February 1820) was a pioneer of military medical practices in Argentina.

21 May

French and Indian War
Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
12 Jun

Siege of Louisbourg (1758)
French and Indian War: Siege of Louisbourg: James Wolfe's attack at Louisbourg, Nova Scotia commences.
26 Jul

Siege of Louisbourg (1758)
French and Indian War: The Siege of Louisbourg ends with British forces defeating the French and taking control of the Gulf of Saint Lawrence.
25 Aug

Battle of Zorndorf
Seven Years' War: Frederick II of Prussia defeats the Russian army at the Battle of Zorndorf.
14 Oct

Battle of Hochkirch
Seven Years' War: Austria defeats Prussia at the Battle of Hochkirch.