Palantir, the data analysis and technology firm whose contracts with the federal government are expanding, and Coinbase, a cryptocurrency firm that donated to the president’s inauguration, also sponsored the event. Oracle, a database company whose co-founder is a close friend of Mr. Trump’s, received a shout-out on Saturday as a sponsor.

As millions of Americans protested at “No Kings” rallies across the country, onlookers gathered in Washington on the president’s birthday for a muted celebration.

The parade, which was put on to celebrate the Army’s 250th anniversary and Trump’s 79th birthday, was reported to cost up to $45 million and drew thinner crowds than anticipated, as simultaneous “No Kings” protests took place in all 50 states.

Thousands of Americans flocked to downtown D.C. in "Make America Great Again" hats and patriotic gear displaying Old Glory despite the balmy weather and thunderstorms brewing.

Army's 250th anniversary celebrated with a military parade in Washington, D.C., on Trump's birthday. 'No Kings' protests by opponents are planned across the country.

The president celebrates the 250th anniversary of the US Army as demonstrators hold "No Kings" events from coast to coast.

The parade was the spectacle event Trump had long wanted. It also helped sparked the largest mass opposition to him since his inauguration 145 days earlier.

Sen. Rand Paul criticized the June 14 military parade, arguing that it was too expensive and “glorified” weapons.