The rebelions by Masakado (TAIRA no Masakado's War), and FUJIWARA no Sumitomo, which occurred at about the same time around the Seto Inland Sea, are together referred to as, "Johei and Tengyo War (Rebellion of Johei-Tengyo)."
この将門の乱は、ほぼ同時期に瀬戸内海で藤原純友が起こした乱と共に、「承平天慶の乱」と呼ばれる。