In 1861, William Wrigley, Jr., founder of the Wrigley chewing gum empire and owner of the Chicago Cubs baseball team was born.

In 1927, Babe Ruth hit his 60th homerun of the season off Tom Zachary in Yankee Stadium, New York City.

In 1846, the first anesthetized tooth extraction is performed by Dr. William Morton in Charleston, Massachusetts.

In 1791, Mozart’s opera The Magic Flute is performed for the first time in Vienna

In 1858, Rudolf Diesel, engineer, inventor of the diesel engine was born.

In 1943, Adolf Hitler’s book Mein Kampf is published in the United States.

In 1789, Congress votes to create a U.S. army.

In 1513, Spanish explorer Vasco Nunez de Balboa discovered the Pacific Ocean.

In 1493, Christopher Columbus left Cadiz, Spain, on his second voyage to the new world.

In 1959, Explorer VI, the U.S. satellite, takes the first video pictures of earth.