In the final plague, Yahweh sends an angel to each dwelling to get rid of the firstborn son and firstborn cattle, but the houses with the Israelites are spared by the blood on their own doorposts. Yahweh commands the Israelites to commemorate this party in "a perpetual ordinance" (Exodus twelve:14).[19] https://download75310.blogolenta.com/25905321/not-known-details-about-exodus