'Proclaim a Solemn Assembly' in the Bible

And Jehu said, Proclaim a solemn assembly for Baal. And they proclaimed it.

Hallow a fast, proclaim a solemn assembly, gather the elders, and all the inhabitants of the land to the house of Jehovah your God, and cry unto Jehovah.

Blow the trumpet in Zion, hallow a fast, proclaim a solemn assembly;