For posting all the anonymous reactionary bullshit that you can't post anywhere else.
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https://en.wikipedia.org/wiki/Soviet_invasion_of_Poland
And yet, my boutique academic journal Fuck Capitalism was rejected from Wikipedia's list of reliable sources smh. /j 
Unfortunately I couldn't find this article on Anna's Archive.
Citation #9 is from Communist and Post-Communist Studies.
No mention of the Munich agreements in the whole fucking article, and the historical recap in the "Poland between the two wars" section coincidentally begins in 1919, right after the Polish invasion of Ukraine, of Belarus and of Lithuania... Written by a true redditor.
Also, lmfao at the section "Aftermath":
So, 1% of the total population of Poland. For reference, 25 million Soviets died as a consequence of Nazi invasion, more than 15% of the total population of the USSR at the time. The Nazis murdered 5.5 to 6 million Jews. And again, the 150k count deported.