Soft contact lenses were invented by Czech scientists.

Synthetic diamonds were created by French chemist in 19th century.

And of course Russians perfected rocket technology way in XIX century, using solid rockets as a weapon.

What are you trying to prove? That inventions aren't done in vacuum and everybody stands on the shoulders of giants coming before him? Or you literally believe that USA had a half century Cold War with opponent who can't invent a thing?

> And of course Russians perfected rocket technology way in XIX century, using solid rockets as a weapon.

Russians? Not Chinese or British or Americans, but Russians?

I'm amazed on number of Russian myths here.