Misc: Which element derives its name from the Greek for 'bringer of light'?

Questions

41 Pilgrims signed a compact aboard Mayflower.?

Yen Jo-chu, Chinese scholar of Ch'ing dynasty?

Dutch and French agree to divide St. Maarten, Leeward Islands.?

Charles IV, king of Spain (1788-1808)?

Chrysanthemums are introduced into England from China.?