The concept, launched in 2013, was created to inspire and lead a global “happiness movement” and is celebrated across all UN nations.
The Action for Happiness pledge states: “I will try to create more happiness in the world around me.”
Below are 12 things you can do in Wigan that are sure to put a smile on your face.
Find out more about the UN International Day of Happiness here
1. Move like a Ninja
Test your strength and stamina at Ninja Warrior UK, Stadium Way, Wigan Photo: JPI
2. Feed the ducks
Take a stroll around Orrell Water Park and feed the ducks and geese Photo: JPI
3. Take in a show
Take in a show at Wigan Little Theatre, Crompton Street, Wigan Photo: JPI
4. Plan your escape
Have you got the brainpower to take on Adrenaline Escape in Makinson Arcade, Wigan? Photo: JPI