NET
21 All the people of the land celebrated, for the city had rest now that they had killed Athaliah.
Darby
21 And all the people of the land rejoiced, and the city was quiet; and they had slain Athaliah with the sword.
KJV
21 And all the people of the land rejoiced: and the city was quiet, after that they had slain Athaliah with the sword.