What is associated with: a gazelle is a graceful animal this 1841 ballet has been called the hamlet of the dance?

Based on the clue 'a gathering of famous historical people meeting of...', what is the answer? What is referred to by 'a gaucho in galveston'? Based on the clue 'a gaunt monarch or the act of cogitation', what is the answer? Based on the clue 'a gazebo or an outdoor newsstand 5', what is the answer? Based on the clue 'a gear in the czech republic', what is the answer? Based on the clue 'a geiger counter is used primarily to measure this', what is the answer? Based on the clue 'a gem carved in relief or the kind of appearance a...', what is the answer? Based on the clue 'a gem cut in the form of a narrow rectangle has th...', what is the answer?