The festival which celebrates the founding of the Sikh community as the Khalsa (community of the initiated). On this day, Sikhs gather and celebrate Vaisakhi at their local Gurdwaras (Sikh house of worship) by remembering this day as the birth of the Khalsa.

Source:

“Calendar of Observances.” Anti-Defamation League, 2019,  www.adl.org/education/resources/tools-and-strategies/calendar-of-observances. Accessed 25 Sept. 2020.