Arlington National Cemetery is a military cemetery in Virginia, USA, where over 400,000 service members and their families are buried. It is a place of honor and remembrance for those who have served their country.

Plymouth Colony was an English colonial venture in North America from 1620 to 1691. It was founded by a group of Separatists who had left England seeking religious freedom. The colony played a significant role in the history of the United States, including the first Thanksgiving celebration.

Heaven’s Gate was a cult founded in the 1970s by Marshall Applewhite and Bonnie Nettles. In 1997, 39 members committed mass suicide to reach an alien spacecraft.

The Homestead Strike of 1892 was a violent labor dispute between the Carnegie Steel Company and its workers over wages and working conditions.

The Lost Colony of Roanoke was a group of English settlers who mysteriously disappeared from their colony in Virginia in the late 16th century.

The Missouri Compromise was a 1820 agreement that allowed Missouri to enter the Union as a slave state while Maine entered as a free state.

The Roswell Incident was an alleged UFO crash that occurred in 1947 near Roswell, New Mexico. The US military claimed it was a weather balloon.