Today is Wednesday, September 30, the 273rd day of 2015. There are 92 days left in the year.

On this date:

In 1399, England’s King Richard II was deposed by Parliament; he was succeeded by his cousin, Henry of Bolingbroke, who was crowned as King Henry IV.

In 1777, the Continental Congress – forced to flee in the face of advancing British forces – moved to York, Pennsylvania.

In 1791, Mozart’s opera “The Magic Flute” premiered in Vienna, Austria.

In 1846, Boston dentist William Morton used ether as an anesthetic for the first time as he extracted an ulcerated tooth from merchant Eben Frost.

In 1938, after co-signing the Munich Agreement allowing Nazi annexation of Czechoslovakia’s Sudetenland, British Prime Minister Neville Chamberlain said, “I believe it is peace for our time.”

In 1949, the Berlin Airlift came to an end.

In 1954, the first nuclear-powered submarine, the USS Nautilus, was commissioned by the U.S. Navy.

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