Wei Qinyun (China, b. 26 April 2018) successfully solved a 4x4x4 Rubik’s Cube in 4 minutes 19.059 seconds in Nanning City, China, on 19 June 2021, aged 3 years 54 days. Reviewed by the WRCA, Wei Qinyun broke the world record for the youngest person ever to solve a 4x4x4 Rubik’s Cube.