2 Kings 10:20 in the King James Version
And Jehu said, Proclaim a solemn assembly for Baal. And they proclaimed it.
Context
19 Now therefore call to me all the prophets of Baal, all of his worshipers, and all of his priests. Let no one be absent, for I have a great sacrifice to Baal. Whoever is absent, he shall not live.” But Jehu did deceptively, intending to destroy the worshipers of Baal.
20 Jehu said, “Sanctify a solemn assembly for Baal!” So they proclaimed it.
21 Jehu sent through all Israel; and all the worshipers of Baal came, so that there was not a man left that didn’t come. They came into the house of Baal; and the house of Baal was filled from one end to another.