<human>:  What is the history of the New York Mets baseball team?
<bot>: The New York Mets baseball team is a Major League Baseball team that has been based in Queens, New York since 1962. The team was formed in 1960 as an expansion team, along with the Houston Colt .45s. The Mets' first major league season was in 1962, when they won the National League pennant after a historic run and advanced to the World Series. They went on to win the 1969 World Series, becoming the first expansion team to do so in Major League Baseball history. After a few years of relative mediocrity, the Mets appeared in and won the 1986 World Series. The team also appeared in the 1988, 2000, and 2015 World Series, but were unsuccessful in each.