[Koshkin]

Crimea was part of Russia until about sixty year ago.

[dragonwriter]

> Crimea was part of Russia until about sixty year ago.

The 9 year period it was part of the Russian Federation ended closer to 70 years ago, but I’ve updated the GP to reflect it.

[Koshkin]

> its own entity (prior to 1945)

Still, nested within the Russian Federation as an administrative entity. (Also, autonomy throughout the USSR was more or less a formality anyway.)