It started with a tweet.Four teenage girls in Chicago made history happen, using social media to ign

It started with a tweet.

Four teenage girls in Chicago made history happen, using social media to ignite a mass sit-in against police brutality that drew more than 1,000 people to Millennium Park.

Said one organizer, Eva Lewis: “Because we’re like, small—we’re 16 and 17—it just hadn’t resonated that we could do something like that.” 

“And then we did.”

Chicago Magazine’s Bettina Chang reports on how Monday’s girl-powered vigil came together.