Flyers–Penguins rivalry Flyers–Penguins rivalry The Flyers–Penguins rivalry, also known as the Battle of Pennsylvania, is a National Hockey League (NHL) rivalry between the Philadelphia Flyers and Pittsburgh Penguins ice hockey clubs. Both teams compete in the NHL's Eastern Conference Metropolitan Division. The rivalry began in 1967, when the teams were introduced into the NHL's "Next Six" expansion wave. The rivalry exists due to divisional alignment and geographic location, as both teams play in the Commonwealth of Pennsylvania. The Flyers and Penguins have met in the Stanley Cup playoffs four times in the last ten seasons from 2008–2018, strengthening the rivalry. The first
Ice hockey in the United States known recorded game of ice hockey was played in the United States at Yale University and Johns Hopkins University in 1893. In 1894, the first artificial ice rink was built in Maryland. The rink was called the North Avenue Ice Palace, which was located in Baltimore, Maryland. A few years later, in 1896, the first ice hockey league in the United States was formed called The U.S. Amateur Hockey League. It was founded in New York City around the same time as the second artificial ice rink was opened in New York, New York, called the St. Nicholas Arena. The