Taylor Swift's album '1989' refers to what?

Her birth year

Which English king broke away from the Roman Catholic Church, forming the Church of England? Which Marvel movie was the first to earn over two billion dollars worldwide? Who founded the one-time successful 'New Harmony' utopian community in Indiana in 1825? Which popular Pokemon villain team is known for its ecological beliefs in Ruby, Sapphire, and Emerald versions? What term describes the collection of all possible outcomes in probability?