What is the story between Russia and Ukraine?

Ukraine and Russia were once the territories of the Soviet Union.

Ukraine is a country located in the plain of Eastern Europe, also known as Little Russia and Rosenya. It is the center of Eastern Slavic culture in the Middle Ages, and the ancestor of modern Russia, Ukraine and Belarus, Kiev Ross, which developed on the basis of Kiev. In the future, Ukraine has very close historical ties with Russia and Belarus.

194 1 year, the Soviet-German war broke out and the whole territory of Ukraine was occupied by Germany. 1944, Soviet troops liberated the whole territory of Ukraine and transferred the western Ukraine, which was originally Polish territory, to Ukraine. 1954, Russia ceded Crimea to Ukraine, forming the territory of modern Ukraine.