Based on the clue 'after 3 attempts she discovered the secret of sams...', what is the answer?

What is associated with: after 200 years clarence oddbody finally gets his wings in this 1946 movie? What is associated with: after 23 years as fashion editor of harpers bazaar she moved over to vogue in 1963? What is associated with: after 27 years as heir in 1888 frederick iii spent 99 days as this nations monarch unable to t… What is associated with: after 2844 performances broadway said so long dearie to this musical december 27 1970? Based on the clue 'after 3 of his sons were slain in battle on mount ...', what is the answer? What is associated with: after 3 previous acquittals this reputed crime family boss was finally convicted in new york c… What is associated with: after 3 terms 10 years in office he left the building so to speak downing street in june 2007? Based on the clue 'after 3 years of fighting this south african war c...', what is the answer?