In Numbers 21:21–35 we read about the Israelites destroying king Sihon and then king Og. On both occasions they were attacked by these Amorite kings, and they captured their cities and took possession also of their land. Their victory over these two kings is also recounted in Psalm 135:11–12.
10 For we have heard how the LORD dried up the water of the Red Sea before you when you came out of Egypt, and what you did to the two kings of the Amorites who were beyond the Jordan, to Sihon and Og, whom you devoted to destruction.