Misc: vasco da gama rounded the cape of good hope in what year?

Questions

the 'purple heart' medal was created in 1668, 1701 or?

jerome napoleon bonaparte died in 1942, 1945 or?

the u.s got its first official currency in 1776, 1785 or?

which state became the 14th state of the u.?

what is a regurgitation of acid from the stomach into the?