Exo 12:27 KJV) That ye shall say, It is the sacrifice of the LORD'S Passover, who passed over the houses of the children of Israel in Egypt, when he smote the Egyptians, and delivered our houses. And the people bowed the head and worshipped.
(Exo 12:28 KJV) And the children of Israel went away, and did as the LORD had commanded Moses and Aaron, so did they.
(Exo 12:29 KJV) And it came to pass, that at midnight the LORD smote all the firstborn in the land of Egypt, from the firstborn of Pharaoh that sat on his throne unto the firstborn of the captive that was in the dungeon; and all the firstborn of cattle.
(Exo 12:30 KJV) And Pharaoh rose up in the night, he, and all his servants, and all the Egyptians; and there was a great cry in Egypt; for there was not a house where there was not one dead.
LORD smote all the firstborn in the land of Egypt,.,.,.,.Not the Lord I know, He forbids killing and not a doer of ( :)
If you are celebrating the death of all the first born children you need to change your ways