Original: According to the legendary account in the Kojiki , this historical figure would have been born on February 13 , 711 BC ( January 1 of Chinese calendar ) , and died , again according to legend , on March 11 , 585 BC ( both dates according to the lunisolar traditional Japanese calendar ) .
Simplified: Emperor Jimmu ( January 1 , 660 BC - March 11 , 585 BC ) was a legendary figure in the history of Japan .