Premise: Battle of Bosworth Field . His opponent , Richard III , the last king of the House of York , was killed in the battle . Richard III ( 2 October 1452 -- 22 August 1485 ) was King of England from 1483 until his death in 1485 , at the age of 32 , in the Battle of Bosworth Field . Henry 's force engaged Richard 's army and defeated it at the Battle of Bosworth Field in Leicestershire . Richard was struck down in the conflict , making him the last English king to die in battle on home soil and the first since Harold Godwinson ( who was killed at the Battle of Hastings in 1066 ) .
Hypothesis: In the Battle of Bosworth Field Richard III of England died.
Label: ENTAILMENT