"We have one thing in common - we've all been shot at, and we survived", she said. The freshman engineering majors said they are supporters of President Donald Trump and came to voice their beliefs about the Second Amendment and see what the opposing side thinks. There were also performances by Jennifer Hudson, Miley Cyrus and Ariana Grande.
But these rallies did not attract too many students even in some of the most liberal campuses in the USA.
In the weeks following the shooting, several student survivors spoke out against gun violence and advocated for gun control measures, like a proposed ban on assault-style weapons and stricter requirements for owning firearms. "Thoughts and prayers are not enough to honor the victims of gun violence".
Speaking Sunday on CBS's "Face the Nation", Warner says he's always been in favour of universal background checks for gun purchases. "This is more than just one day ... this is a movement", Parkland survivor Delaney Tarr, 17, told the crowd in Washington today. "You're leading us forward", the 44th president tweeted.
The high-profile cast of the rallies in Washington, D.C.in NY drew crowds and world attention as they featured musicians and actors from Hollywood performing for the crowd and giving kudos and cash to the march organizers.
"One of my best friends was killed in gun violence right around here", McCartney told CNN at the NY march, "so it's important to me".
The youth-led US gun control movement that flexed its public muscle with huge weekend rallies has already nudged Congress to enact minor firearms changes, but must remain active if it hopes to win more meaningful regulations, lawmakers said on Sunday.
Naomi Wadler took the stage with one message: Black females - who are killed in disproportionate numbers - have been left out of the gun violence conversation.
Los Angeles was another major city that hosted an event. Also attending were Kim Kardashian and Kanye West, Glenn Close, Cher, Jimmy Fallon and Dennis Rodman.