August 28

Thursday 28, 1975:

Missionary Armand Doll is imprisoned in Mozambique by Marxist extremists.

Saturday 28, 1971:

The dollar is allowed to float against the yen for the first time.

Wednesday 28, 1963:

During a 200,000-person civil rights rally in at the Lincoln Memorial in Washington, D.C., Martin Luther King, Jr. gives his famous I have a dream speech.

Wednesday 28, 1850:

Richard Wagner's opera Lohengrin premieres in Weimar, Germany.

Friday 28, 1609:

Henry Hudson discovers Delaware Bay.

More on August, 28

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