17th » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a History of Baden-Württemberg named treaty of peace and alliance with Prussia.
20th » President of the United States or President Andrew Johnson formally declares the American Civil War over.
23rd » Austro-Prussian War ends with the Treaty of Prague (1866) named Treaty of Prague.
Famous Birthdays on August in 1866
5th » Carl Harries, German chemist and academic (d. 1923)