Misc: what dry wind blows down the eastern slopes of the rockies?

Questions

History - As what was Istanbul previously known?

History - As what was Taiwan formerly known?

History - As what was winchester known by the Romans?

History - Between which countries was the shortest war in history?

History - Bill and Hilary Clinton switched on the Christmas tree lights in Belfast, Northern Ireland, in 1990, 1995 or 1996?