Group 1 - The U.S. federal government held a military parade in Washington D.C. to commemorate the 250th anniversary of the U.S. Army, marking the first such event since the end of the Gulf War in 1991 [1] - Over 6,000 soldiers, more than 100 tanks and armored personnel carriers, artillery, and aircraft participated in the parade, which lasted over two hours [1] - Concurrently, approximately 2,000 protests occurred nationwide against President Trump's administration, focusing on immigration, health, and education policies, with millions participating [1] Group 2 - Protests were organized under the slogan "No Kings," with demonstrators in cities like New York, Los Angeles, and Houston voicing their opposition to government policies [1] - The protests aimed to create a counter-narrative to the military parade, although no related activities were organized in Washington D.C. [1] - The protests were a response to perceived violations of civil rights by the government, including actions against immigrants [1] Group 3 - In California, federal agencies, including Immigration and Customs Enforcement, conducted enforcement actions against illegal immigrants, leading to conflicts with local residents [2] - President Trump ordered the deployment of the National Guard to address the unrest caused by these enforcement actions [2] - Approximately 200 U.S. Marine Corps soldiers were deployed to Los Angeles to provide security outside federal facilities [2]