Twenty-one years ago today, a group of interns walked into the fictional Seattle Grace Hospital to begin their surgical careers.It was the start of the longest-running scripted prime-time drama on US television network ABC, with the show, Grey's Anatomy, clocking up 22 seasons so far with no end in sight.Along the way the show has earned numerous award nominations and won the 2007 Golden Globe for best drama.It is now the longest-running medical drama in US TV history.Celebrating 20 years of the show last year, co-creator Shonda Rhimes wrote that at the time Grey's Anatomy launched, she had no idea what it would become."I just wanted to tell stories about brilliant, complicated, deeply human doctors trying to save lives while figuring out their own," she said."Two decades later, Grey's has grown beyond my wildest dreams It has given us unforgettable characters, devastating losses, epic love stories, and moments that have stayed with us long after the credits rolled."The other thing that has grown over those two decades is Shondaland, the television production company founded by Rhimes, which has created a string of other TV hits including Scandal, How to Get Away With Murder, Bridgerton, and Grey's spin-offs Station 19 and Private Practice.Shondaland is also home to one of the longest-running women's partnerships in TV history, between Rhimes and creative partner Betsy Beers.Grey's Anatomy was their first collaboration after they connected over what they weren't seeing on television."There were no women that felt like real women on television at that point," Rhimes said on Good Morning America last year, in an interview marking 20 years of Shondaland.Beers said: "Nothing was honest or messy