What year was the ice hockey team who defeated the Nashville Predators in the 2017 Stanley Cup Finals established?
2016–17 Pittsburgh Penguins season: The 2016–17 Pittsburgh Penguins season was the 50th season for the National Hockey League ice hockey team that was established on June 5, 1967. 2017 Stanley Cup Finals:  The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins defeated the Western Conference champion Nashville Predators, four games to two.
1967