The International Turban Day is celebrated every year on April 13 since 2004 to bring awareness of the strict requirement on Sikhs to put the turban as a mandatory part of their religion.
In 2021, April 13 marks the 102nd anniversary of the Jallianwala Bagh Massacre, that took place on April 13, 1919 at Jallianwala Bagh in Punjab's Amritsar.