>Russia has historically been invaded by such people as Genghis Khan(actually his grandson, Tamerlane, Napoleon, Charles )I forget which one) of Sweden, and Hitler.

here is a fun one https://en.wikipedia.org/wiki/Polish%E2%80%93Lithuanian_occu... Russia really doesnt like the fact Poland not only occupied Moscow, but also got Kings son elected Tzar https://en.wikipedia.org/wiki/List_of_Russian_monarchs#Tsars...