Alice Oseman began publishing the Heartstopper webcomic on Tumblr, where it gained a significant following.
The first physical volume of Heartstopper was published, collecting the initial chapters of the webcomic.
The second volume of Heartstopper was published, continuing the story of Charlie and Nick.
Netflix officially announced that it had ordered a television adaptation of Heartstopper, produced by See-Saw Films.
The third volume of Heartstopper graphic novels was published.
The Heartstopper TV series premiered on Netflix, bringing the story to a wider audience.
The fourth volume of the Heartstopper graphic novel series was published.
Charlie Spring and Nick Nelson first meet as classmates at Truham Grammar School, starting their friendship.
Charlie and Nick develop a close friendship, sharing their interests and experiences in school life.
Nick begins to understand that he has romantic feelings for Charlie beyond friendship.
Nick and Charlie officially begin their romantic relationship.
Charlie openly shares his sexual orientation with his close family and friends, gaining their support.
Nick publicly acknowledges and accepts his bisexuality.
Charlie experiences bullying targeted at his sexual orientation but receives support from friends and school alike.
Nick tries out and becomes a member of the school rugby team, embracing his athletic interests.
Charlie and Nick’s circle includes close friends Tao and Elle, supporting each other throughout school experiences.
Charlie begins actively managing his anxiety and depression with the help of friends and professionals.
