Deaths on June 25

Carlo Matteucci, Italian physicist and neurophysiologist (b. 1811)

Carlo Matteucci (20 or 21 June 1811 – 25 June 1868) was an Italian physicist and neurophysiologist who was a pioneer in the study of bioelectricity.

24 Feb

Impeachment of Andrew Johnson
Andrew Johnson becomes the first President of the United States to be impeached by the United States House of Representatives. He is later acquitted in the Senate.
10 Apr

British Expedition to Abyssinia
At Arogee in Abyssinia, British and Indian forces defeat an army of Emperor Tewodros II. While 700 Ethiopians are killed and many more injured, only two British/Indian troops die.
16 May

Impeachment of Andrew Johnson
United States President Andrew Johnson is acquitted in his impeachment trial by one vote in the United States Senate.
25 Sep

Grand Duke Alexei Alexandrovich of Russia
The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei of Russia.
27 Nov

Battle of Washita River
American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.