An emerging internet theory claims that soldiers intentionally marched out of step during President Donald Trump's military parade in silent protest.

A grand parade celebrating the 250th birthday of the U.S. Army barreled down Constitution Avenue in Washington with tanks, troops and flyovers on Saturday to the beat of off-and-on rainfall.

The Army had a range of events this week to commemorate the 250th anniversary of the service, culminating with Saturday night’s parade that coincided with President Donald Trump’s 79th birthday.

In Washington, D.C., scores of people have shifted from the Army festival to the parade route, walking west toward the Washington Monument. The protests have—for now—mostly died down. It’s a hot, steamy Washington evening,