Definitions of declaration of war
a formal announcement that one country is involved in a war with another country
Hitler's declaration of war against the United States has often been said to be one of his greatest mistakes.
There are multiple definitions - click on the translation that matches your context.
declaration of war means:
rzeczownik
full
noun
a formal announcement that one country is involved in a war with another country
Hitler's declaration of war against the United States has often been said to be one of his greatest mistakes.