And he gathered unto him the children of Ammon and Amalek; and he went and smote Israel, and they possessed the city of palm-trees.

After enlisting the Ammonites and Amalekites to join forces with him, Eglon attacked and defeated Israel, taking possession of the City of Palms.

and he gathereth unto him the Bene-Ammon and Amalek, and goeth and smiteth Israel, and they possess the city of palms;

And he gathered to him the children of Ammon and Amalek and went and smote Israel, and they took possession of the city of palm-trees.