Organizers across the country named the mobilization “No Kings.” The rallies were organized in opposition to a military parade in Washington, D.C. on the president’s 79th birthday Saturday. The parade is happening on Flag Day, which also marks the U.S. Army’s 250th anniversary this year.

People gathered by the hundreds in cities across the U.S. on Saturday as part of a nationwide day of protest to coincide with a military parade in Washington celebrating 250 years of the United States Army.