Rededicate 250 prayer rally on National Mall lasted nine hours with Trump, Johnson and faith leaders emphasizing America as "One Nation Under God."

Bishop Robert Barron and Cardinal Timothy Dolan are scheduled to speak at the Trump administration’s daylong prayer celebration this weekend.

The nine-hour "Rededicate America as One Nation Under God" prayer rally highlighted the growing right-wing Christian movement's campaign to dismantle the core U.S. principle of separation of church and state.

The U.S. officials who will speak "are political lieutenants of an administration that has waged war on immigrants, gutted Catholic Charities contracts, and treated the Holy Father as an adversary," said one critic.

A massive religious gathering on the National Mall backed by the White House is sparking backlash from critics who say it blurs the lines between church and state. The unprecedented appearance of

May 17 in Washington, D.C. Thousands of people gathered on the iconic National Mall to pray at the event 'Rededicate 250: A National Jubilee of Prayer, Praise & Thanksgiving'. This massive gathering was supported by Donald Trump,