1.The country on most classroom maps where Russia should be. Some schools deal with them being outdated by putting up captions saying 'Can you spot which country's have changed?'.
Most simply hope that no-one notices (they don't)
2. Also, where Linka from Captain Planet is from in the early seasons. It later beomes 'Eastern Europe'
Teacher: Could someone please point out Russia?
Student: uhh...What's the U.S.S.R??...and where'd Russia go?
Teacher: Whoops, Sorry! Russia doesn't exist yet...