Exodus 11:6
And there shall be a great cry throughout all the land of Egypt, such as there was none like it, nor shall be like it any more.
Cross-reference
Exodus 12:30 records the fulfillment of this prophecy — the great cry when the firstborn died.
Exodus 8:22 is the first plague where God sets apart Goshen, showing the same distinction between Egypt and Israel that culminates in the great cry of 11:6.
Exodus 10:6 also describes an unprecedented plague ('never seen'), echoing the language of unparalleled calamity in 11:6.
Exodus 3:7 records Israel's cry of affliction — contrasting with the Egyptians' cry of mourning at the final plague.
In Amos 5:17, wailing accompanies God's 'passing through' in judgment — directly echoing the Passover plague that caused the great cry.
Psalm 136:10 directly recalls the striking of Egypt's firstborn, the event that produces the great cry in Exodus 11:6.
Proverbs 21:13 warns that ignoring others' cries leads to unanswered cries — Egypt ignored Israel's cry, now they cry out.
In Jeremiah 31:15, Rachel's bitter weeping for her children parallels the great cry in Egypt — inconsolable grief from loss of children.
In Revelation 6:16, the cry for hiding from wrath parallels the great cry in Egypt — both are responses to unprecedented divine judgment.
In Luke 13:28, weeping and gnashing of teeth at final judgment echoes the unprecedented cry in Egypt — utter despair from divine judgment.