In 1982 Ronald Brinkmann solved the Rubik's Cube in just 19 seconds.
It wasn't until 2007, at the Spanish Open, that Thibaut Jacquinot broke the 10 second mark, completing his cube in 9.86 seconds.
Flash forward to 2015 and Lucas Etter solved the puzzled in 4.90 seconds. The 14-year-old set the time for the new world record at River Hill Fall in Maryland and, understandably, his onlookers went wild*.
Here's the video in full:
By the way, if you're looking for something more tedious than attempting to complete a Rubik's Cube, why not take a read of the Rubik's Cube Wikipedia page? It's mind-numbing.