A 33-mile trip from one protest in Annapolis, Md., to the parade grandstand in front of the White House was like a journey between two different countries.

That’s part of why George Atkinson, a former high school government teacher, felt compelled to join a protest in downtown Houston on Saturday. The 89-year-old affixed a sign to his walker that read, “The clothes have no emperor! He’s all hat and no cattle!”

A bystander was fatally shot after security members at the demonstration confronted a man who was running toward the crowd with an AR-15-style rifle, the police said.

The Houston demonstration is one of several planned in the region throughout the day and is expected to draw thousands of protesters.

As a military parade rolls through Washington, DC, on Saturday – President Donald Trump’s birthday – millions of Americans are expected to protest in what organizers predict will be the strongest display of opposition to Trump’s administration since he took office in January.

What to know if there's a planned "No Kings" protest in your city on June 14? This map charts all the locations.

Protests are taking place in Florida and nationwide on June 14, the same day as the military parade in Washington DC.

Walmart heiress ad placed in New York Times urges people to participate in nationwide "No Kings" anti-Trump protest.