As a military parade rolls through Washington, DC, on Saturday – President Donald Trump’s birthday – millions of Americans are expected to protest in what organizers predict will be the strongest display of opposition to Trump’s administration since he took office in January.

The First Amendment of the U.S. Constitution and Article I Section 8 of the New York State Constitution protects freedom of speech, assembly, and petition. While not an exhaustive list, here are a few rules New York protestors must follow, according to the NYCLU:

When the “no kings” protest began on the Porter County Courthouse lawn Friday, two people began to argue with the crowd.

The "No Kings" protest and march happening in Philadelphia on Saturday coincides with hundreds of rallies scheduled to take place across the country.

Far-right groups are humming with talk of potential violence ahead of massive “No Kings” Day demonstrations that are expected to attract millions of protesters Saturday, according to the Wall Street Journal.

Los Angeles and cities around the nation are bracing for 'No Kings' protests ahead of Trump's military parade as an appeals court ruling keeps the National Guard under the president's control for now.

Sellers are hawking "No Kings" t-shirts, hats and other items in a move to cash on anti-Trump protests planned for June 14.

Here's how to stay safe and what to know about your rights if you get arrested, detained or encounter tear gas during Houston's No Kings Day protest.