<P> The National Museum of Play, formerly Strong National Museum of Play, is part of The Strong in Rochester, New York, United States . Established in 1969 and based initially on the personal collection of Rochester, NY native Margaret Woodbury Strong, the museum opened to the public in 1982 . Since then it has refined and increased its collections (hundreds of thousands of items), and expanded twice, in 1997 and 2006 . </P> <P> The museum is now one of five Play Partners of The Strong, which is also home to the National Toy Hall of Fame, the International Center for the History of Electronic Games, and the Brian Sutton - Smith Library and Archives of Play, and produces the American Journal of Play . </P>

When did the strong museum of play open