2 Samuel 6:6

Overview - 2 Samuel 6
David fetches the ark from Kirjath-jearim on a new cart.
Uzzah is smitten at Perez-uzzah.
God blesses Obed-edom for the ark.
12 David brings the ark into Zion with sacrifices, and dances before it; for which Michal despises him.
17 He places it in a tabernacle with great joy and feasting.
20 Michal, reproving David for his religious joy, is childless to her death.
Treasury of Scripture Knowledge

2 Samuel 6:6  (King James Version)
And when they came to Nachon's threshingfloor, Uzzah put forth his hand to the ark of God, and took hold of it; for the oxen shook it.
 


Nachon's
1Ch 13:9

he is called Chidon
put forth.
Even the Kohathites, who were appointed to carry the ark, after it was covered by the priests, were forbidden to touch it on pain of death; but Uzzah, who certainly was no priest, probably with some degree of irreverence, having presumed to lay his hand upon the ark, which perhaps was not covered, thus incurred the penalty due to his rashness.
Numbers 4:15 Numbers 4:19 Numbers 4:20

shook it
or, stumbled.