I wasn't asking who was invaded by Russia but whether Poland was aggressor too? And here's the answer: https://en.wikipedia.org/wiki/Polish%E2%80%93Czechoslov

I wasn't asking who was invaded by Russia but whether Poland was aggressor too? And here's the answer: https://en.wikipedia.org/wiki/Polish%E2%80%93Czechoslovak_border_conflicts#Annexations_by_Poland_in_1938 https://en.wikipedia.org/wiki/Polish%E2%80%93Czechoslovak_bo...