Have you met these names? What do you think they refer to?

• Группы
  • rock bands/musicians
  • Soviet politicians
  • historical events\processess
• Варианты
  • Bon Jovi
  • Mötley Crüe
  • Mikhail Gorbachev
  • Anastas Mikoyan
  • Stas Namin
  • Ozzy Osbourne
  • Iron Curtain
  • perestroika