who was the first country to invade in world war 2
Italy.Germany is a First World country.
if you mean what country had the first war, that is not possible, humans have been fighting each other since time began, if you mean when was the first world war, that was started by Germany in 1914.
Austria-Hungary
It was Germany that first used flamethrowers as weapons in World War I.
the first country we conquered was Porto Rico
Germany
Germany.
Poland was the first country to be attacked during World War 2. In fact, the Germany invasion of Poland was what CAUSED World War 2.
Germany invaded France
The United Kingdom was the first member of the Commonwealth to enter World War 2.
Developed after the first world war in Germany.