A protest against the Vietnam War turns deadly at Kent University in Ohio. That’s where a national guardsman opens fire on anti-war students after the United States invades Cambodia. 4 students are killed, 9 others are wounded in the shootings, sparking further unrest on America’s campuses. 1979. Margaret Thatcher becomes Britain’s first female Prime Minister. That happens when the Conservative Party ousts the Labor Party from power in Parliamentary elections. “I will strive unceasingly to try to fulfill the trust and confidence that the British people have placed in me and the thing in which I believe.”

1886. In Chicago, a labor demonstration for an 8-hour work day turns into a riot when a bomb explodes at Haymarket Square. The violence kills 7 policemen and injures 60 others. 1961. During the Civil Rights Movement, a group of Freedom Riders leaves Washington D.C. for New Orleans. They face violence in the South as they challenge racial segregation on interstate buses and the bus terminals.

And 1927. The people who bring it the Oscars: the Academy of Motion Pictures Arts & Sciences is founded. Today in History, May 4th. Camille Bohannon, the Associated Press.