1941    Nazi Germans massacre Polish scientists and writers in the captured Ukrainian city of Lviv.

1943    Holocaust: Nazis liquidate Janowska concentration camp in Lemberg (Lviv), western Ukraine, murdering at least 6,000 Jews after a failed uprising and mass escape attempt.

1944    World War II: the Soviet army enters Lviv, a major city in western Ukraine, liberating it from the Nazis. Only 300 Jews survive out of 160,000 living in Lviv prior to occupation.

2002    Ukraine airshow disaster: a Sukhoi Su-27 fighter crashes during an air show at Lviv, Ukraine killing 85 and injuring more than 100 others, the largest air show disaster in history.