Protesters hold a “No Kings” flag as they gather in Southeast Area and take part in rally and march on March 28, 2026 in Washington, D.C. (Photo by Tasos Katopodis/Getty Images.) The No Kings rallies in March 2026 were perhaps the largest single-day protest in the United States since the first Earth Day in 1970. Millions showed up at over 3,000 locations in a display of resistance against the second Trump administration. But days later, the protests had already faded from the public mind.