Big protests against President Donald Trump are planned across the U.S., including a main march in Philadelphia. This is happening while the president is at a military parade in Washington. The protests are also happening because of new rules about immigration and because soldiers were sent to Los Angeles, where some protests became violent. Police are using tear gas and other things to control the crowds. Soldiers are helping police in many states, and they say they will not allow any violence or breaking the law. A group called the 50501 Movement is organizing the protests. They want to show they don't agree with the president's actions. This day of protest is expected to be the biggest since Trump became president again, with events in almost 2000 places.