At least 10 people died of cold in Poland. Night temperatures in Russia plunged to minus 30C.
Normally milder Greece has witnessed temperatures of minus 15C in the north where an Afghan migrant died of cold last week and roads were closed.
In Athens, the temperature failed to rise above 0C and several of the islands were covered in snow.
Source: Deadly icy spell grips much of Europe, including Greek islands [bbc.com]