Psalm 105:36
He smote also all the firstborn in their land, the chief of all their strength.
Cross-reference
Psalm 78:51 likewise describes the slaying of Egypt's firstborn, the same event as here.
Psalm 135:8 directly echoes this verse, stating God smote the firstborn of Egypt.
Psalm 136:10 repeats the same refrain about the firstborn plague, part of a litany of God's acts.
Exodus 4:23 is God's initial warning to Pharaoh that He would slay the firstborn — the prophecy this verse fulfills.
Exodus 11:5 specifies the scope of the firstborn plague, from Pharaoh to servant, matching the psalm's summary.
Exodus 12:12 describes the actual execution of the plague on the firstborn, the event this psalm references.
Exodus 12:29 records the same event — the LORD striking down Egypt's firstborn at midnight.
Exodus 12:30 describes the aftermath — loud wailing in Egypt because every house had a death.
Hebrews 11:28 highlights the faith behind the Passover, which spared Israel's firstborn from the same plague.
Numbers 8:17 explains that Israel's firstborn were consecrated because of this plague.
Numbers 33:4 recounts the Egyptians burying their firstborn and God's judgment on their gods.