Moscow 1980 Olympics: How many GOLD medals were won by: Mexico?

Questions

In 1593 Izaac---------- , fisherman, writer (Compleat Angler), born. ?

In 1776 ---------- Avogadro, made famous by picking 6.022 x 10 ^ 23 ?

In 1776 Amedeo---------- , made famous by picking 6.022 x 10 ^ 23 ?

In 1778 Capt. ---------- passes through Bering Strait. ?

In 1778 Capt. Cook passes through ---------- Strait. ?