Deadliest war in Each European Country

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Europe has a long and complex history, and as a result, there have been numerous wars throughout the continent’s history. Many of these conflicts have been bloody and have resulted in significant loss of life and destruction.

The deadliest conflicts that affected European countries:

1. World War II (The deadliest war for Russia: 13-15 million, Ukraine: 6-8 million, Germany: 6.5-7.5 million, Poland: 6 million, Belarus: 2-2.5 million, Romania: 0.5-0.7 million, Hungary: 400-750 thousand, United Kingdom: 400-500 thousand, Greece: 64-515 thousand, Netherlands: 200 thousand, Lithuania: 375 thousand, Latvia: 250 thousand, Belgium: 75-100 thousand, Estonia: 80 thousand, Slovakia: 60 thousand, Slovenia: 9-40 thousand, Albania: 10-30 thousand, Norway: 10-12 thousand) ~ Total deaths: 60 million.
2. World War I (The deadliest war for Italy: 1.46-1.65 million, Serbia: 500-750 thousand, Turkey: 200-450 thousand, Austria: 150-350 thousand, Bulgaria: 130-375 thousand, Montenegro:10-60 thousand)
   ~ Total deaths: 20 million.
3. Thirty Years’ War (The deadliest war for Germany: 6.5-7.5 million, Czechia: 0.15-1.5 million) ~ Total deaths: 8 million.
4. Peninsular War (The deadliest war for Portugal: 150-250 thousand)
   ~ Total deaths: 3,5 million
5. French Wars of Religion: 2-4 million
6. Eleven Years War (The deadliest war for Ireland: 200-600 thousand) ~ Total deaths: 2,8 million
7. Spanish Civil War: 365 thousand
8. Great Northern War (The deadliest war for Finland: 70-100 thousand, Sweden: 50-70 thousand, Dania: 5-60 thousand) ~ Total deaths: 350 thousand.
9. Bosnian War: 100-175 thousand
10. Croatian War of Independence: 6-25 thousand

The total number of military and civilian deaths in these bloodiest wars was about 100 million.

To learn more about wars in Europe, have a look at the books below.

• World War I: The Definitive Visual History
• World War I: A History From Beginning to End
• The Sleepwalkers: How Europe Went to War in 1914
• World War II: The Definitive Visual History from Blitzkrieg to the Atom Bomb
• The Combat Diaries: True Stories from the Frontlines of World War II