The parade, honoring the Army’s long-planned 250th anniversary celebration and coinciding with Trump’s 79th birthday, is set to step off from the Lincoln Memorial under the threat of stormy weather in Washington and protests around the country tied to a turbulent week of immigration enforcement that has involved military deployment in Los Angeles.

Protesters began gathering early on the west steps of the state Capitol in Sacramento as a so-called “No Kings” protest against Trump administration policies, part of a nationwide day of demonstrations meant to coincide with a military parade marking the 250th anniversary of the U.