There have been many wars in Europe, so there are many answers to that question. World War II was the last major war and it ended in 1945. There have been some smaller ones since then, like in the Balkans in the 1990s.
September 1,1939-May 8,1945
the war in Europe ended in the late 1945"s
England had hegemony in Northern Europe by the end of the Thirty Years' War.
3 weeks in Europe 4 months in Japan
No
The Kosovo War.
All of Eastern Europe.
Victory in Europe (VE-Day).
Axis expansion.
Berlin
This was the end of World War I. Europe was devastated by the war and left in ruins. The economy went downhill and political boundaries changed, such as the deformation of Austria-Hungary.
The 'Thirty Years War' in Europe began in 1618 and ended in 1648. The most significant results of the war include population decline in Europe due to disease and famine, religious reformation, an end of mercenaries and the emergence of national armies.