Amman. In Biblical times, Amman was known as "Philadelphia".
More Geography Trivia
Vietnam. Vietnam's Mekong River is the major habitat for the giant river carp which can grow up to five feet in length.
Russia. The founder of St. Petersburg, Florida, named it after his boyhood home of St. Petersburg, Russia.
Pennsylvania. The Three Mile Island nuclear accident happened about ten miles from Harrisburg, Pennsylvania in 1979.
Arizona. The Petrified Forest in Arizona was designated a National Monument on December 8, 1906.
Denmark. Old Zealand is an island in Denmark.
New Mexico. First explored by Europeans in the 16th century, New Mexico became a state in 1912.