Single country sweeps of all four disciplines

[rfisher]

Russia just swept the gold medals at Junior Worlds. The last time Russia swept a major comp was 1996. Which other countries have had a 4 medal sweep?

The got 3/4 silver medals as well, along with 2/4 bronze.

ETA: 1999 Worlds

 

[Taso]

Actually Russia did that at the 1999 worlds