Vaisakhi 2020 Celebrated In States Monday, 13 April 2020 Vaisakhi Haryana, Jammu and Kashmir, Punjab. Vaisakhi marks the first day of the month of Vaisakha. It is additionally a spring harvest festival for Sikhs.  The historical significance of this day is quite intriguing. It is believed that the 10th Guru of the Sikhs, Guru Gobind Singh, established the famous Khalsa Panth on this day. Vaisakhi marks the first day of the month of Vaisakha. It is additionally a spring harvest festival for Sikhs. In Sikhism, Vaisakhi marks the start of the Khalsa in 1699 by Guru Gobind Singh. The procession is marked by people singing hymns from the Sikh texts. Some of the bigger processions keep a copy of the Guru Granth Sahib as a show of respect. The significance of Vaisakhi as a major Sikh festival marking the birth of Sikh order started after the persecution and execution of Guru Tegh Bahadur for refusing to convert to Islam under the orders of the Mughal Emperor Aurangzeb.