What happend on 14th December

This is day of

National Energy Conservation Day is observed to promote energy efficiency and sustainable practices.

1947

U.S. Air Force test pilot Chuck Yeager makes history by becoming the first human to break the sound barrier in level flight, a pioneering achievement.

1911

Norwegian explorer Roald Amundsen and his expedition reach the South Pole, securing their place in history as the first to achieve this feat.

1799

George Washington, the revered first President of the United States and Revolutionary War hero, dies at his Mount Vernon estate in Virginia.