Christians from across America are set to gather on the National Mall in Washington, D.C., on Saturday, October 31 — Reformation Day — for a day of united prayer for the United States. The event, called The Sacred Assembly, is open to the public and is presented by the Nehemiah Alliance, a grassroots movement seeking to strengthen America's commitment to Jesus Christ.

Saturday's gathering is the culmination of a 52-day Rebuild Initiative of prayer and fasting for the nation that began on September 10. The initiative takes its pattern from the biblical account of Nehemiah, who led the people of Jerusalem in rebuilding the city's walls in 52 days despite opposition and discouragement.

Dozens of national prayer leaders, pastors, and worship artists are confirmed for the assembly. Among the featured guests are Alveda King, Jonathan Cahn, Lou Engle, Eric Metaxas, and Michael W. Smith, along with many others.

The choice of Reformation Day carries its own significance. October 31 marks the anniversary of Martin Luther's posting of his Ninety-five Theses in 1517, an act that sparked a return to the authority of Scripture and the proclamation of salvation by grace through faith. Organizers say the assembly likewise aims at spiritual renewal — not merely a political moment, but a call for the Church to seek God first.

Public prayer gatherings on the National Mall have a long history in American life, from days of fasting and prayer called by early presidents to large-scale assemblies in more recent decades. What sets this gathering apart, according to its organizers, is its sustained preparation: nearly two months of prayer and fasting leading up to a single day of corporate intercession.

For believers who cannot travel to Washington, the gathering is a reminder that prayer for the nation is not confined to one place or one day. Churches and families across the country can join in the same spirit — praying for repentance, for unity among believers, for leaders, and for the spread of the Gospel in every community.

As the nation faces deep division and uncertainty, the assembly's message is simple: the rebuilding of a nation begins with the humbling of God's people before Him. The walls Nehemiah rebuilt were made of stone, but the work began with prayer, confession, and a shared resolve to do what God had called them to do.