![It happened on a… May 31](https://cdn.buminteractif.com/2021/05/coverimages33067781-800x450.jpg)
2021
China’s ruling Communist Party announces it will allow married couples to have three children, in effort to boost falling birthrates.
![](https://cdn.buminteractif.com/2022/05/coverimages35646810.jpg)
2014
Psy’s “Gangnam Style” becomes the first video to reach 2 billion views on YouTube.
![](https://cdn.buminteractif.com/2014/05/6be5336db2c119736cf48f475e051bfe-1200x675.jpg)
2004
British children’s cartoon “Peppa Pig” created by Astley Baker Davies premieres.
![](https://cdn.buminteractif.com/2020/03/5e737d4984c04-1200x675.jpg)
“Harry Potter and the Prisoner of Azkaban”, the 3rd film based on the books by J. K. Rowling is released.
![](https://cdn.buminteractif.com/2020/08/5f330a720e1cd-1200x675.jpg)
1969
John Lennon and Yoko Ono record “Give Peace a Chance”.
![](https://cdn.buminteractif.com/2020/01/5e2efd5b67d31-1200x675.jpg)
1929
The first talking Mickey Mouse cartoon, “The Karnival Kid”, is released.
![](https://cdn.buminteractif.com/1929/05/68d13cf26c4b4f4f932e3eff990093ba-1200x675.jpg)
1916
![](https://cdn.buminteractif.com/2021/05/coverimages33067781-1200x675.jpg)
1884
Dr. John Harvey Kellogg patented “flaked cereal.”
1879
![](https://cdn.buminteractif.com/2021/05/1st-electric-railway-1200x675.jpg)
1870
1859
![](https://cdn.buminteractif.com/1859/05/b24d516bb65a5a58079f0f3526c87c57-1200x675.jpg)