Thirty Years War (dec 5, 1618 – dec 5, 1648)
Description:
The last major war of the Protestant Reformation ended by Treaty of Westphalia 1648. Consisted of 4 phases (Bohemian, Danish, Swedish, and French) first two being fought of religion and last two being fought over politics. This is SP because it involved multiple powers.Added to timeline:
Date:
dec 5, 1618
dec 5, 1648
~ 30 years