Today in History: April 28

2004: The Abu Ghraib prison abuse scandal first comes to light when graphic photos of U.S. soldiers physically abusing and humiliating Iraqi prisoners were shown on CBS's 60 Minutes II.

2001: Dennis Tito became the first space tourist.

1992: The U.S. Dept. of Agriculture unveiled its first “food pyramid.”

1969: Charles de Gaulle resigns as president of France.

1967: Muhammad Ali refuses induction into the U.S. Army and is stripped of boxing title.

1965: The U.S. Army and Marines invade the Dominican Republic.

1856: Yokut Indians repel an attack on their land by 100 would-be Indian fighters in California.

1953: French troops evacuate northern Laos.

1947: Norwegian anthropologist Thor Heyerdahl and five others set out in a balsa wood craft known as Kon Tiki to prove that Peruvian Indians could have settled in Polynesia.

1946: The Allies indict Tojo on 55 counts of war crimes

1945: Benito Mussolini is killed by Italian partisans.

1932: A yellow fever vaccine for humans is announced.

1930: The first organized night baseball game is played in Independence, Kansas.

1920: Azerbaijan joins the Soviet Union.

1919: Les Irvin makes the first jump with an Army Air Corps parachute.

1916: British declare martial law throughout Ireland.

1902: Revolution breaks out in the Dominican Republic.

1818: President James Monroe proclaims naval disarmament on the Great Lakes and Lake Champlain.

1789: The crew of the HMS Bounty mutinies against Captain William Bligh.

1788: Maryland becomes the seventh state to ratify the constitution.

1760: French forces besieging Quebec defeat the British in the second battle on the Plains of Abraham.

1635: Virginia Governor John Harvey is accused of treason and removed from office.

1282: Villagers in Palermo lead a revolt against French rule in Sicily.

357: Constantius II visits Rome for the first time.