What is associated with: 1297 rainier i?

What is associated with: 128 americans died when the germans sank this liner may 7 1915? What is associated with: 128 americans died when this british liner was torpedoed by a german submarine on may 7 1915? What is associated with: 1281 a divine wind saves this nation from a mongol invasion? What is associated with: 1290 the jews are expelled from this nation by king edward i? Based on the clue '12th c mathematician bhaskara had an idea for this...', what is the answer? Based on the clue '12th century nun heloise penned her famous love le...', what is the answer? Based on the clue '12th century rabbi benjamin of tudela may have bee...', what is the answer? What is referred to by '13 14'?