What is associated with: at age 19 in 1892 this russian pianist wrote his prelude in c sharp minor which helped launch his career?

Based on the clue 'at age 17 he became the youngest man to win at wim...', what is the answer? What is associated with: at age 17 in 1935 rita was billed under her real name in the film about this chinese detective… Based on the clue 'at age 17 sills made her operatic debut as the gyp...', what is the answer? What is associated with: at age 18 in 1625 he set out from gascony to join the kings musketeers? What is associated with: at age 19 in 1925 hermione bulwer lytton was acting vicereine of this country? What is associated with: at age 19 in 1984 he founded pcs limited selling souped up ibms from his dorm room? Based on the clue 'at age 19 this leaves of grass author became edito...', what is the answer? Based on the clue 'at age 20 she was nominated for playing emma thomp...', what is the answer?