What does "WWI" stand for?

Which country dropped the atomic bombs in WWII?

What cities in Japan were hit by atomic bombs?

What was the name of the German Air Force in WWII?

Who were called the “Allies” in World War II?

When did World War II end?

What kind of gas was used in World War I?

What symbol is often used to remember WWI soldiers?

Which country was invaded to start World War II?

What is D-Day famous for?