Identify Oyneg Shabes.
1) The name of today's Jewish Historical Institute in Warsaw, Poland
2) Jewish historical collective that gathered material documenting life in the Warsaw ghetto
3) An unofficial 'sit-in' by Holocaust survivors and their descendants on Liberty Square, Budapest, Hungary
4) Early 21st-century Balkan commemorative movement, led by critical historians, that ended the myth of the 'good Italian soldier'