"Remember what the Amalekites did to you on the journey after you left Egypt.
References for Deuteronomy 25:17
They met you along the way and attacked all your stragglers from behind when you were tired and weary. They did not fear God.
When the Lord your God gives you rest from all the enemies around you in the land the Lord your God is giving you to possess as an inheritance, blot out the memory of Amalek from under heaven. Do not forget.
References for Deuteronomy 25:19