The Passover was in the time of Moses and Pharaoh and Aaron. When God sent the plagues. It was the final plague. God tells Moses and Aaron to be ready and to tell the people to get some lambs and to put it on their doorframe. If they did not, everyone’s firstborn would have to die. Because God was going to go to Egypt at midnight, and if the people didn’t have the lamb’s on the door, their firstborn child will die. God says that it was the same for human as for animals. Just all the firstborns would die. But if