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Countries the United States Declared War On

The US declared war 11 times on 10 unique countries. What were the countries?
Source
Some countries no longer exist
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Quizzer6794
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Last updated: September 2, 2016
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First submittedSeptember 2, 2016
Times taken2,298
Average score80.0%
Rating4.75
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Year
Country
1812
United Kingdom
1846
Mexico
1898
Spain
1917
Austria-Hungary
1917
Germany
1941
Germany
1941
Italy
1941
Japan
1942
Bulgaria
1942
Hungary
1942
Romania
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13 Comments
Jerry928
+1
Level 76
Sep 2, 2016
Grenada? Reagan's finest moment.
Quizzer6794
+3
Level 66
Sep 2, 2016
invade ≠ declare war on
Temudhun
+1
Level 73
Oct 12, 2016
USA didn't declare war to Bulgaria and the Ottoman Empire during the First World War?
Quizzer6794
+1
Level 66
Oct 12, 2016
Not according to our source.
morequizzes4u
+2
Level 32
Apr 16, 2017
Nope, just cut the diplomatic ties
GeoGuy8
+1
Level 66
Mar 10, 2019
Why is the U.K. version Featured and not this one?
CardinalSin
+1
Level 82
Mar 20, 2022
Not enough wars in this one.
theacesora
+1
Level 76
Apr 26, 2019
HOLD IT.

Did the Philippine-American war never exist???

Dani1026
+1
Level 53
Aug 3, 2020
Philippines declared war on US, not the other way round. In this list, they feature the countries which the US has officially declared war on (by Congress).
CardinalSin
+1
Level 82
Mar 20, 2022
What about Iraq and Afghanistan?
TRG5542
+1
Level 66
Mar 2, 2026
The US never officially declared war on Afghanistan or Iraq. In both situations, the government passed authorization for the use of military force for the president. There was no official declaration of war.
QuizzerBros
+1
Level 70
Mar 21, 2022
Huh, I thought Germany actually declared war on America during WWII... that's what oversimplified said at least
GuerillaGorilla
+1
Level 65
Feb 7, 2024
Bulgaria, Romania and Hungary came way out of left field.
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