Here’s a look at some interesting events that took place on this day in history:

1862 – General Ulysses S. Grant and the Union Army defeat the Confederates near Shiloh, Tenn. (More info)

1940 – Booker T. Washington becomes the first African-American to be depicted on a US postage stamp (More info)

1948 – The World Health Organization is established by the United Nations (More info)

1954 – President Dwight D. Eisenhower gives his “domino theory” speech during a news conference (More info)

1994 – The Rwandan genocide begins (More info)