Based on the clue 'coinciding with the 84 olympics in la was a memori...', what is the answer?

What is referred to by 'coimbra aveiro'? Based on the clue 'coin this is the term for the collecting of coins', what is the answer? What is associated with: coincidentally jerome robbins ballet fanfare debuted on the day she was crowned in 1953? Based on the clue 'coincidentally today fathers squash opponent was a...', what is the answer? What is associated with: coinciding with the worlds fair the first olympic games in the us opened in this city may 14 1… What is associated with: coined by a 9 year old circa 1940 its a 1 followed by 100 zeros? Based on the clue 'coined by jonathan swift its come to mean any tiny...', what is the answer? Based on the clue 'coined by the chemist jb van helmont the word gas ...', what is the answer?