Revivals
Revivals in biblical usage describe those seasons of spiritual renewal and corporate return to God in which previously cold or faithless communities are restored to active devotion, repentance, and covenant obedience. The OT records several such renewals: Hezekiah's reform (2 Kings 18:1–8), Josiah's covenant renewal upon the discovery of the Book of the Law (2 Kings 22–23), Ezra's reform of the returned exiles (Ezra 9–10; Neh. 8–9), and the preaching of Jonah at Nineveh (Jonah 3). The prophets looked forward to a great eschatological outpouring: Joel 2:28–32 predicted the pouring out of God's Spirit on all flesh, a prophecy cited by Peter at Pentecost (Acts 2:16–21). The Day of Pentecost itself, with three thousand converted in a single day (Acts 2:41), stands as the paradigmatic NT revival. Habakkuk 3:2 captures the posture of the revived heart: "LORD, I have heard your speech, and I was afraid. O LORD, revive your work in the midst of the years." Scripture consistently depicts revival as a sovereign work of the Spirit (Isa. 32:15; Ezek. 37:1–14) that produces visible fruits of repentance, restored worship, social justice, and missionary expansion.