In 759, in the wake of the report that Shiragi (an ancient Korean kingdom) took a rude attitude to a Japanese missionary, Nakamaro ordered to be prepared for the conquest of Shiragi.
天平宝字3年（759年）、新羅が日本の使節に無礼をはたらいたとして、仲麻呂は新羅征伐の準備をはじめさせた。