TIL that in WW2, Poland declared war on Japan. Japan rejected there declaration of war. Quote: “We do not accept Poland’s challenge. The Poles, fighting for their freedom, only declared war on us under pressure from the United Kingdom.”A curious case: Poland only declared war on one country in WWII;

[u/leafpool2014]

https://www.outono.net/elentir/2021/03/21/a-curious-case-poland-only-declared-war-on-one-country-in-wwii-peace-did-not-come-until-1957/