Based on the clue '2 years after imposing martial law king umberto i ...', what is the answer?

Based on the clue '2 years after a riding accident left him paralyzed...', what is the answer? What is associated with: 2 years after becoming king in 1413 henry v declared war on this country? Based on the clue '2 years after exploring the northwest with william...', what is the answer? What is associated with: 2 years after his death he won a 1990 grammy for best pop vocal performance for a live version… Based on the clue '2 years after the case book of sherlock holmes he ...', what is the answer? What is associated with: 2 years after winning 3 olympic medals in 1924 she made her famous channel swim? What is associated with: 2 years before becoming the rams starting qb in 1999 he was playing in the arena football leag… Based on the clue '2 years before he turned down an oscar he tried to...', what is the answer?