“Not my president.”

That was the rallying cry as thousands of people marched peacefully from MacArthur Park to downtown Los Angeles on Saturday in protest of Donald Trump’s presidency.

The march was one of a dozen or so planned around the world, with anti-Trump rallies also held Saturday in New York City and Chicago along with Mexico City and Berlin.

At the L.A. event, demonstrators waved U.S., Mexican and rainbow flags. They carried signs decrying Trump’s statements about immigration and the environment, women and Muslims. They yelled support for LGBT rights and Muslim-Americans while blasting the Electoral College.

• Photos: Anti-Trump protesters march in Los Angeles

Maria Elena Olgun Hernandez didn’t expect to get to participate, since she was working at her family’s cellphone store along Third Street.

Then the march, which was organized by Latin-American political group Union del Barrio Los Angeles, took an unexpected turn straight in front of her shop.

“I really feel a part of it,” she said, expressing particular joy at all of the non-Hispanic faces in the crowd passing by her door. “It makes me feel that there’s hope in humanity.”

As a Mexican immigrant, she said she was “heartbroken” at the outcome of Tuesday’s election.

“We have children at home, and they just lost hope,” Hernandez said, with fears of deportation and discrimination rampant. “It’s like a bad joke coming into reality.”

• Video: Thousands of protesters swarm downtown LA during Anti-Trump rally

As members of the transgender community, Shaina Freeman and Danielle Berg said they also feel tangible fear that their personal liberties may be affected under Trump’s administration.

“We do feel like we’ve been targeted,” said Berg, 47.

The pair — who came from Long Beach carrying signs that said “Dump Trump” and “I will not go quietly” — cited past statements by Trump against same-sex marriage and policies of Vice President-elect Mike Pence.

“I’m here on behalf of all trans people along with all Muslims, blacks and Hispanics to say this is not acceptable,” said Freeman, 43.

Some of the protests held nightly since Trump’s victory have led to violence and vandalism, Officer R. Rocha with the Los Angeles Police Department said he hadn’t heard of any arrests or incidents during Saturday’s event.

“It stands out as being super peaceful,” Rocha said.

Police stood in a line along South Figueroa Street at Sixth Street and on the Fourth Street bridge with their riot helmet visors flipped up. As protesters walked by, some stopped to take pictures with the officers and call out their appreciation.

• Map: The route Anti-Trump protesters took through downtown LA

“Thank you for protecting and serving us!” one marcher hollered.

“They’ve been great,” Rocha said. “And, hopefully, they’re getting their message across.”

The march did cause headaches for some drivers.

Wilshire Boulevard was blocked off for miles, while cross streets throughout the city were open. That meant lines of cars were sometimes backed up for blocks, with drivers forced to wait for long stretches or make illegal U-turns along tight streets while motorcyclists squeezed through the crowds.

One driver, who declined to give her name, said she’d been waiting 20 minutes to go half a block to get to an appointment.

Other drivers honked in support, while one blocked SUV began blasting a hip-hop song that curses Donald Trump. A boy, perhaps 12 years old, jumped on the roof of the vehicle to cheer marchers along.

• Photos: ‘Not My President’ protest and rally in LA

There was no sign of any clashes between Trump supporters and protesters. And Trump allies watching from afar said they hope it stays that way.

“One of the greatest things about America is that people have the right to protest,” Randy Economy, who was with the Trump delegation from California, said by phone Saturday. “But the fact of the matter is, Donald Trump is the 45th president of the United States. We need to adhere to the results of the election.”

Economy said he understands that emotions are raw and that there’s a “fear factor” right now. But he’s optimistic that Trump will bring some protesters around over time, calling him a “heartful” man.

“I’m very excited about the future of the country,” he said.

Paul Hicks didn’t echo that sentiment.

He and his wife, Nina Eganova, drove from Santa Clarita on Saturday with their 8-year-old son, Alex, to join the demonstration.

“Obviously, we can’t kick Trump out,” Hicks said. “But we can stand in solidarity with immigrants and women and the other races. And I can teach my son to do the same.”

• Related Story: Thousands rally, march in nationwide anti-Trump protests

Tao Jones, a Vietnamese immigrant, had no concerns about bringing her 8-year-old daughter, Belle, to the rally.

“We’re in a blue state,” she said. “We’re safe here. And we believe in the best of America.”

Jones said she wanted Belle to see like-minded people coming together to have a voice. And she expects they’ll do it many more times over the next four years.

The L.A. protest wrapped up early in the afternoon, but a few dozen or so demonstrators remained into the evening. After hundreds of arrests in previous nights’ protests, the LAPD reported that as of 9 p.m., zero arrests had been made in connection to the protest.

A much smaller group of more than 500 demonstrators hit the streets of Long Beach in the evening,chanting slogans against President-elect Donald Trump. The demonstration remained largely peaceful as of 8 p.m. while the march continued to weave through downtown with cries of “We reject the president-elect.”

Most streets remained open, with protesters only occasionally spilling into lanes. Police also blocked off a short stretch of Pine Avenue.

“It’s not that I don’t accept the results (of the election), it’s that I want to stand against injustice,” said Christine Combs, a Long Beach teacher who said she attended because she sees Trump as a threat to progress gained in recent years.

Lisa Delgiudice said she believed Trump has empowered hateful elements in American culture and she marched to counter that.

Marchers gathered at Bixby Park before leaving around 7 p.m. to march along Ocean Boulevard until they reached downtown. Then they turned up Pacific Avenue and headed back toward their starting point where they would rally.

Twenty-nine-year-old Maii Ware said she took to Facebook to organize the march after the election because she was tired of feeling powerless.

“I’m tired of feeling helpless at the hands of men,” she yelled into the crowd as they prepared to march.

Ware said another demonstration is planned for next week.