I Maccabees 7:49

49 Moreover they ordained to keep yearly this day, being the thirteenth of Adar.

I Maccabees 7:49 In-Context

47 Afterwards they took the spoils, and the prey, and smote off Nicanor's head, and his right hand, which he stretched out so proudly, and brought them away, and hanged them up toward Jerusalem.

48 For this cause the people rejoiced greatly, and they kept that day a day of great gladness.

49 Moreover they ordained to keep yearly this day, being the thirteenth of Adar.

50 Thus the land of Juda was in rest a little while.