At that time, when David saw that the LORD had answered him on the threshing floor of Ornan the Jebusite, he sacrificed there.
1 Chronicles 21:28
Surrounding context
21:27 So the LORD commanded the angel, and he returned his sword to its sheath.
21:28 At that time, when David saw that the LORD had answered him on the threshing floor of Ornan the Jebusite, he sacrificed there.
21:29 For the tabernacle of the LORD and the altar of the burnt offering, which Moses had made in the wilderness, were at that time at the high place in Gibeon.