The Movie Timeline - here's looking at movies, kid
Movie history events from 2143
Cooper and Amelia slingshot around Gargantua. Cooper and TARS eject themselves into the black hole. While in the black hole, Cooper and TARS enter a tesseract and interact with the past. The slingshot maneuver costs them 51 years back on Earth, bringing us to this date. In those 51 years, Murph successfully cracks the gravity equation, allowing massive space stations to be constructed on Earth, filled with its remaining population, and easily launched into space. By the end of Cooper and Amelia's slingshot, humanity has become a spacefaring civilization and Murph's central role in their salvation has made her a hero (Interstellar)