What happend on 30th May

29.05
31.05
1967

The Nigerian state of Biafra secedes, sparking a civil war.

1967

At the Ascot Speedway in Gardena, California, daredevil Evel Knievel jumps his motorcycle over 16 cars lined-up in a row.

1958

The bodies of several unidentified soldiers killed in action during World War II and the Korean War are buried at the Tomb of the Unknowns in Arlington National Cemetery.

1948

A dike along the flooding Columbia River breaks, obliterating Vanport, Oregon within minutes. Fifteen people die and tens of thousands are left homeless.

1942

World War II: 1000 British bombers launch a 90-minute attack on Cologne, Germany.

1941

World War II: Germany captures Crete.

1935

Babe Ruth plays in his last baseball game, in the uniform of the Boston Braves.

1922

In Washington, D.C., the Lincoln Memorial is dedicated.

1913

First Balkan War: A peace treaty is signed in London ending the war. Albania becomes an independent nation.

1911

At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun becoming the first winner of the 500-mile auto race in his Marmon Wasp.