Generate a correct and concise answer for the question based on the words in the context.

Context : The Type 97 motorcycle, or Rikuo, was a copy of a Harley-Davidson motorcycle produced from 1935 in Japan under license from Harley-Davidson by the Sankyo Company (later Rikuo Nainen Company). 
Question : What was the year Type 97 motorcycle entered service?
1935

Context : Lt-Colonel Henry van Straubenzee DSO OBE (7 March 1914 -- 12 April 2002) was a British army officer who was awarded the Distinguished Service Order for leadership whilst commanding 12 Royal Tank Regiment, in Northern Italy, in 1944, during the Second World War. 
Question : Which award was honoured to Henry van Straubenzee?
Distinguished Service Order

Context : The naval Battle of Yamen (simplified Chinese: 崖门战役; traditional Chinese: 厓門戰役) (also known as the Naval Battle of Mount Ya; simplified Chinese: 崖山海战; traditional Chinese: 厓山海戰) took place on 19 March 1279 and is considered to be the last stand of the Song dynasty against the invading Mongol Yuan Dynasty. 
Question : When did Battle of Yamen occur?

19 March 1279