"Poland partitioned Checkoslovakia with Hitler then Poland was partitioned with Stalin and same Hitler next year."
Poland annexed a bit of Czechoslovakia (Zaolzie) in 1938. It was a very small region of mixed population, Polish and Czech, and Poles didn't strike any deal with Hitler. It was a cowardly and criminal act and every schoochild in Poland knows that. How many shoolchildren in Russia know that their country struck a deal with the Fuehrer to attack Poland and annex half of its territory?
How many shoolchildren in Russia know that their country struck a deal with the Fuehrer to attack Poland and annex half of its territory? ==
They know that but they know more. That those annexed territories didn't belong to Poland. They are ukranian and bellorussian occupied by Poland 20 years before.
If you say that those terrirtories are polish then you offend those people who you claim to be friend. The best way to spoil relationship with Ukraine just to tell them that Lvov is polish town. You try it.