1 Chronicles 21:16

floor; where having built an altar, God gives a sign of his favour by fire, and stays the plague.
Overview - 1 Chronicles 21
David, tempted by Satan, forces Joab to number the people.
The number of the people being brought, David repents of it.
David having three plagues propounded by God, chooses the pestilence.
14 After the death of seventy thousand, David by repentance prevents the destruction of Jerusalem.
18 David, by Gad's direction, purchases Ornan's threshing-
28 David sacrifices there, being restrained from Gibeon by fear of the angel.
Treasury of Scripture Knowledge

1 Chronicles 21:16  (King James Version)
And David lifted up his eyes, and saw the angel of the LORD stand between the earth and the heaven, having a drawn sword in his hand stretched out over Jerusalem. Then David and the elders of Israel, who were clothed in sackcloth, fell upon their faces.

saw the angel
Genesis 3:24 ; Exodus 14:19 Exodus 14:20 ; Numbers 22:31 ; Joshua 5:13 Joshua 5:14 ; 2 Kings 6:17

1 Kings 21:27 ; 2 Kings 19:1 ; Psalms 35:13 Psalms 35:14 ; Jonah 3:6-8

fell upon
Numbers 14:5 ; 16:22