Which Muse of dance gives her name to an adjective meaning "relating to dancing"?

Which English queen came to the throne in 1558 on the death of her half-sister? Which British king succeeded his grandfather George II in 1760? Which British monarch succeeded Queen Victoria in 1901? In which 1995 romantic comedy did Meg Ryan chase her fiancé to Paris and fall for a thief played by Kevin Kline? The Grenadines island chain is divided between St. Vincent and the Grenadines and which other nation? Which 1985 power ballad was REO Speedwagon's second No. 1 hit? Which gentle "sea cow" is Florida's official state marine mammal? Since 2009, which language has been Greenland's sole official language?