What day of the week was April 6, 1866?

The day of the week April 6th, 1866 fell on was a Friday.

Felix-Raymond- Marie Rouleau the Canadian cardinal (d. 1931) was born on 06 April in 1866.

The Grand Army of the Republic the an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.