Context : The 2011 Beechcraft 65-80 Queen Air crash occurred on 10 December 2011, when a Beechcraft 65-80 Queen Air cargo plane experienced an engine failure and crashed into the Felixberto Serrano Elementary School in Parañaque, Philippines, killing at least 14 people including the three crew members on board the aircraft, and injuring over 20 people. 
Answer : 10 December 2011
When did 2011 Beechcraft 65-80 Queen Air crash occur?