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March For Our Lives started with a few survivors, and became a movement so large it could be seen from space.

More than 800,000 people flocked to Washington D.C. on Saturday to plead for gun control, their size captured in stunning images by DigitalGlobe. 

The aerial photos show the streets of the nation's capital teeming with people at the rally, organized by the survivors of the Marjory Stoneman Douglas massacre in Parkland, Florida last month. . 

DigitalGlobe has since called the demonstration one of the biggest youth protests since the Vietnam era. 

More than 800,000 people flocked to Washington D.C. on Saturday to plead for gun control, their size captured in stunning images by DigitalGlobe  

The aerial photos show the streets of the nation's capital teeming with people at the rally, organized by the survivors of the Marjory Stoneman Douglas massacre 

DigitalGlobe has since called the demonstration the biggest youth protest since the Vietnam demonstrations (pictured)

The DC march began on Pennsylvania Avenue at noon on Saturday. It has been organized by the teenage survivors of the Parkland shooting on February 14 

It is believed that 800 events took place around the world on Saturday, with 175,000 people in New York and 30,000 in Atlanta and Pittsburgh alone. 

About 15,000 people attended a rally in Parkland , with another 15,000 marching in Houston.

There were also rallies held in the likes of Los Angeles, Tulsa, Jacksonville, Chicago, Austin, Boston, and Detroit, among many others. 

The movement had a global outreach, with die-ins being held in Berlin and London and marches taking place in Sydney, Mumbai, Tokyo, and Paris as well.

Teen protesters were joined by a raft of stars including George and Amal Clooney, who donated $500,000 to the event, Jimmy Fallon, Steven Spielberg, Ariana Grande and Miley Cyrus.

Singers including Andra Day, Demi Lovato, and Jennifer Hudson were among those who performed in front of the crowds. 

While Donald Trump spent the weekend away from the rallies at Mar-a-Lago, former President Barack Obama tweeted that he and Michelle were 'so inspired by at the young people who made today's marches happen'. 

'Keep at it,' he wrote. 'You're leading us forward. Nothing can stand in the way of millions of voices calling for change.'  

Hundreds of thousands of people filled Pennsylvania Avenue in Washington DC on Saturday for the March For Our Lives against gun violence 

Hours before the event began, the streets in DC were filled and students the crowds looked towards the Capitol where a stafe was set up 

This was the scene on Pennsylvania Avenue at around 9am on Saturday as more and more protesters arrived with signs

800,000 teens and adults turned out for the March For Our Lives event in Washington, DC

The rally was to plead for stricter gun laws after 17 people were killed on February 14 at Marjory Stoneman Douglas High School  

Parkland survivor David Hogg, 17, was among the 20 young speakers at the Washington DC event. At the end of his impassioned speech, he took a presidential tone and said: 'Thank you, I love you all.  God bless you and God bless the United States of America'

Emma Gonzalez, one of the most vocal of the event organizers, went silent on stage until she had been there for 6 minutes and 20 seconds, the amount of time it took gunman Nikolas Cruz to murder 17 people at Stoneman Douglas on February 14 

One of the most emotional moments during the Washington DC march was when Samantha Fuentes, 18, paid tribute to Parkland victim Nicholas Dworet.  

The Marjory Stoneman Douglas High School senior was one of 17 people killed on February 14 when gunman Nikolas Cruz opened fire with an AR-15 inside the Parkland, Florida school.   

Fuentes, who was shot in both legs and hit with shrapnel in her face during the shooting, gave a heart-wrenching speech at the rally pleading for stricter gun laws.

In the middle of her addressing the crowd Fuentes, overcome with emotion, ducked behind the podium to vomit but quickly gathered herself together.  

'I just threw up on international television, and it feels great!' she said.

Before walking off the stage Fuentes asked the crowd of 800,00 people to help her sing 'Happy Birthday' in honor of her friend, ABC News reports.

Parkland survivor Alex Wind fought tears as he gave his own speech at the Washington DC event 

Samantha Fuentes (right) was one of several Marjory Stoneman Douglas High School students who gave speeches at the rally 

A girl cries as Marjory Stoneman student Samantha Fuentes leads the group in singing 'Happy Birthday' to her friend who was killed in the February 14 attack 

'I have one more request. Today is March 24, March for Our Lives. But it also the birthday of Nick Dworet. Someone that was senselessly murdered in front of me,' she said. 

As the large crowd sang, some teens held each other and cried. Fuentes got emotional but continued to sing. 

Earlier on Saturday, student Cameron Kasky read the names of all 17 people killed in the shooting. He saved Dworet's name for last. 

'And I saved Nicholas for the end, because today is Nicholas' birthday,' Kasky said. 'Nicholas, we are all here for you. Happy birthday.' 

Dworet's family said in a statement that the teen was the captain of Marjory Stoneman's swim team. He was supposed to start University of Indianapolis in the fall where he was going to join the university's swim team.   

'He was a happy young man full of joy and life,' the statement read. 'He dreamed of making the Olympic swim team and going to the 2020 Olympics in Tokyo. He believed he could accomplish anything as long as he tried his best.'   

Youngsters lead the march in Washington DC on Saturday at the March for Our Lives protest

Young protesters in Washington DC carried signs demanding the outlawing of assault rifles like the AR-15 used by Nikolas Cruz to commit mass murder on February 14

The March For Our Lives in Washington DC on Saturday concluded with a performance from Jennifer Hudson who, afterwards, was joined on the stage by the 20 young speakers from the event. They included Parkland school shooting survivors

Hudson is a victim of gun violence too. Her mother, brother and nephew were all murdered in 2008. They were shot to death. She is pictured hugging Stoneman Douglas student Emma Gonzalez as 11-year-old Naomi Wadler, one of the event speakers, looks out towards the crowd 

David Hogg, one of the Stoneman Douglas survivors who has been at the forefront of the issue ever since, spoke confidently about the event on Saturday morning in an early interview with GMA. 

'Today we are going to start a revolution. 

'This is the beginning of a lifelong marathon not only for me but for my generation. 

'We are sick and tired of the inaction here in Washington and around the country at different state capitals and different cities, of politicians that are owned by the NRA and not listening to the constituents of America. 

'We are the children. We are making our voices heard and we will change America with or without these politicians and today is the beginning of that revolution,' he declared. 

Kim Kardashian West and Kanye West attended the event with their daughter North. They are pictured backstage

Kim Kardashian West posed for a selfie with a young attended at the march in Washington

George and Amal Clooney beamed at the Washington DC March For Our Lives protest. The activist couple donated $500,000

Paul McCartney wears a t-shirt reading 'We Can End Gun Violence' during the March For Our Lives protest in New York City 

Jaden Smith (left), Kendall Jenner (center) and Hailey Baldwin (right) attending March For Our Lives in Los Angeles

Actress Amy Schumer speaks at the March For Our Lives in downtown in Los Angeles

Demi Lovato also sang at the Washington DC march on Saturday as part of the March For Our Lives protest 

Actress Alyssa Milano was seen with her children at the anti-gun March For Our Lives rally in downtown LA

Senator Elizabeth Warren joins students gathered at Madison Park High School before the March for Our Lives in Boston

Later, in his own speech, he spoke of the 'cold shackles of corruption' which is gripping the NRA and slammed the government for not doing more. 

'If you listen real close you can hear the people in power shaking. 

Gunman Nikolas Cruz was charged with 17 counts of premeditated murder for the February 14 massacre 

'They've gotten used to being protective of their position, through the safety of inaction. Inaction is no longer safe. To that, we say, no more!'  

Hogg spoke of making gun violence a 'voting issue' which will lead the primary elections. 

'We are going to take this to every election to every state and every city.

'We are going to make sure the best people get in to run, not as politicians but as Americans,' he fumed. 

Pointing to the Capitol, he added: 'This... is not cutting it. At the end of the speech, he told the crowd: 'I love you all. God bless you and God bless the United States of America'. 

The final speech was the most compelling. 

It was delivered by Emma Gonzalez, who was in Stoneman Douglas on February 14 when gunman Nikolas Cruz stormed the building with an AR-15. 

During the middle of her speech, Emma went silent for several minutes until she had been on stage for a total of 6 minutes and 20 seconds - the exact amount of time it took Cruz to murder 17 people and injure 15 more. 

'Six minutes and 20 seconds... In a little over six minutes, 17 of our friends were taken, 15 were injured and everyone, absolutely everyone, in the Douglas community was forever altered,' she said.

Signs written in both English and Spanish were dotted among the fast-growing crowd on Saturday morning 

Lin-Manuel Miranda and Emma Gonzalez (left) attend March For Our Live s rally in DC. Miranda was also spotted with Ben Platt 

Naomi Wadler from Alexandria, Virginia, also impressed with her soft-spoken eloquence.

In a speech dedicated to ending the disproportionate rate of gun deaths among African American women, Naomi quoted Toni Morrison to say: 'If there's a book you really want to read, but it hasn't been written yet, then you must write it.

'Honor the girls, the women of color whose stories have not been told.'

In her own words, Naomi said: 'My friends and I might still be 11, and we might still be in elementary school but we know.'

'We also know that we stand in the shadow of the Capitol, and we know that we have seven short years until we too have the right to vote.' 

Yolanda Renee King, Martin Luther King Jr's granddaughter, also won hearts.

She gave an infectious and brief speech where she called on the crowd to recite her words back to her.

Invoking her grandfather's immortal words, she said with a beaming smile: 'I have a dream that enough is enough.'

'And that this should be a gun free world, period.' 

'Spread the word! Let it be heard, all across the nation!  

Lin-Manuel Miranda and Ben Platt perform on the stage at the March For Our Lives in Washington DC on Saturday 

Steven Spielberg with his wife Kate Capshaw (left) and George Clooney is seen with Dennis Rodman (right) 

Glenn Close and Cher hug backstage at the Washington DC March For Our Lives on Saturday afternoon 

Martin Luther King III and Yolanda Renee King attend the March For Our Lives protest in Washington DC

Sex and the City star Cynthia Nixon, who announced her candidacy for governor of New York on March 19, joined marchers in New York City

PICTURED: Fourteen students, geography teacher, coach and athletic director shot dead in Florida high school massacre

Jaime Guttenberg, 14, (left) was described by relatives as a 'kind-hearted, sweet' girl. She attended the school with her younger brother who survived and rushed home afterwards. Senior Nicholas Dworet (right) was a gifted swimmer who had his sights set on 2020 Tokyo Olympics success. His devastated college student girlfriend is among those grieving his death. Friends said he was not just a talented athlete, but a 'good guy' who will be missed

Martin Duque, 14, (left) was missing for hours on Wednesday and his frantic family desperately appealed for him to get in touch on social media. On Thursday, his older brother Miguel confirmed his death. Martin was a freshman. Meadow Pollack, 18, (right) was preparing for college. Her father was at the school on Wednesday and showed her photograph around in the hope that she would be found alive

Cara Loughran (left) was missing on Wednesday afternoon. Her mother Denise and her father rushed to the designated hotel where parents were told to go to be reunited with their children in the hope that she would be found alive. Her grieving neighbor confirmed her death on Thursday. Alyssa Alhadeff, 15, (right) was eulogized by her mother who said she was a talented soccer player and creative mind. 'All she had to offer the world was love... I just sent her to school and she was shot and killed,' she said

Luke Hoyer, 15, (left) was described as a 'precious' child by his grandparents who confirmed his death. They found out about the shooting on television. They said he was a 'good kid' who 'never got in trouble'. Joaquin Oliver, 17, (right) was also killed. Joaquin was a Venezuelan immigrant who came to the US with his family for a 'better future', they said on Thursday

Gina Montalto, 15, (left) was described as a 'light and joy'. She and Jaime, another victim, volunteered at a local project called The Friendship Initiative where they acted as buddies for children with special needs. Gina's mother Jennifer shared pleas to find her on social media on Wednesday. Alaina Petty, 14, (right) was also killed. Her Mormon church confirmed her death, saying she was a 'valiant' member

Carmen Schentrup, 16, (left) was also killed in the shooting. Carmen was a gifted student who last year was named as a semifinalist in the 2018 National Merit Scholarship Program. It includes students who score above average in their SATs or National Merit Scholarship Qualifying Test. ROTC student Peter Wang, 15, (right) also died. His parents speak little English and relied on their neighbor to post social media appeals looking for him. They went to the Marriott hotel with other parents to wait for news of him on Wednesday night and have since confirmed that he was among those killed

Alex Schachter, 14, (left) was also killed.  His mother died when he was a child and he attended the school in Florida with his brother, who survived. The teenager's father Max said he was a 'sweetheart of a child' who 'just wanted to do well and please his parents'. Helena Ramsey, 17, (right) was described by relatives as a 'reserved' and studious girl who was due to go to college next year

Geography Scott Beigel, 35, (left) was shot dead as he tried to lock the door of his classroom again after letting a group of fleeing students in to hide. They were running away from the gunman. Aaron Feis, 37, (right) died acting as a human shield. The track coach had thrown himself on top of the kids to stop the bullets from hitting him. He was a former student and was also a security guard at the school where he had worked for eight years

Athletic director Chris Hixon, 49, was also killed shielding students