1703 in Japan

Incumbents

• Monarch: Higashiyama
• King of Ryukyu Kingdom : Shō Eki

Events

• January 30 - The famed Forty-seven Samurai avenge their leader, Asano Naganori out of loyalty by attacking and killing Kira Kozuke no Suke Yoshinaka, despite being ordered not to.
• December 31 - The 1703 Genroku earthquake occurred on 2:00 local time, killing 2,300.

Births

• Fukuda Chiyo-ni

Deaths

• Kira Yoshinaka
• Ōishi Yoshio
• Horibe Yasubee