| 1997 | Joined "The Daily Show" as a correspondent, building the sharp political satirist persona that would define his next three decades on television. |
| 2005 | Launched "The Colbert Report" on Comedy Central, a parody of conservative pundit programs that became one of the network's highest-rated series and earned him three Emmy Award nominations. |
| 2006 | Performed as featured entertainer at the White House Correspondents' Association Dinner, delivering a pointed satirical monologue in character that became one of the most-discussed moments in the dinner's history. |
| 2007 | "I Am America (And So Can You!)" debuted at number one on The New York Times Best Seller list in the Hardcover Nonfiction category, remaining on the list for 24 weeks. |
| 2014 | "The Colbert Report" concluded after nine seasons and 1,447 episodes, with Colbert named one of Time's 100 Most Influential People twice over the show's run. |
| 2015 | Succeeded David Letterman as host of "The Late Show with Stephen Colbert" on CBS, transitioning from satirical character work to his own name and voice in late-night television. |
| 2017 | Hosted the 69th Primetime Emmy Awards on CBS, his first time emceeing the telecast, drawing strong ratings for the broadcast. |
| 2021 | Spartina Productions, his production company, inked a first-look deal with CBS Studios to develop television and streaming content, expanding his creative footprint beyond the Late Show desk. |
| 2025 | "The Late Show" won the Emmy Award for Outstanding Talk Series for the first time, on the same day CBS announced the show would end, with the crowd chanting his name in a standing ovation at the ceremony. |
| 2026 | Hosted the final episode of "The Late Show with Stephen Colbert" after eleven seasons on CBS, closing one of the longest-running chapters in late-night television history. |