AUSTIN, Texas — As the official "No Kings" protest at the Texas Capitol ended, police closed a number of streets in Downtown Austin as protesters began walking through downtown.

The “day of defiance” protests began as early as 10 a.m. in North Texas, while the Washington, D.C., military parade for the Army’s 250th birthday starts at 5:30 p.m. Central.

Thousands protested in Central Texas on "No Kings Day," opposing perceived authoritarianism on a day marking Flag Day and Trump's birthday.

At least 1,500 "No Kings" protests nationwide were being held Saturday, the same day as President Donald Trump's large-scale military parade in Washington, D.C., to celebrate the U.S. Army and his 79th birthday.

Saturday marks the first full day of Marines on duty in Los Angeles, one week after protests against Immigration and Customs Enforcement raids ignited in LA and spread to other cities across the U.S.,

Dallas-Fort Worth residents began turning out in force Saturday for local "No Kings" protests against President Donald Trump's policies, including anti-immigration raids.

No Kings’ protest signs were allegedly banned at a Lockhart parade. Organizers say the alleged threats of arrest show why their message matters.

As celebrations for the U.S. Army's 250th anniversary take place in the nation's capital, marchers angry at the president take to nearby streets. (David Dee Delgado for Fox News Digital)