What is referred to by '14'?

What is associated with: 14 year old tara lipinski upset this world champion at the 1997 us figure skating championship? Based on the clue '14 years after her death the movement created by s...', what is the answer? Based on the clue '14 years before coming to america this quaker was ...', what is the answer? Based on the clue '14 years passed between the releases of his last 2...', what is the answer? Based on the clue '140 is scary high on the stanford binet version of...', what is the answer? What is associated with: 1415 the battle of agincourt? What is associated with: 1453 mehmed ii begins his siege of this city it would fall 8 weeks later? What is associated with: 1455 1485 between 2 different british royal houses?