Here is your short paragraph on Guru Tegh Bahadur’s Martyrdom:
This day falls in the month of November or December. This commemorates the martyrdom of the ninth Guru, Tegh Bahadur, who was beheaded by Aurangzeb, who wanted to suppress all religious activity of non-Muslims.
Guru Tegh Bahadur was arrested under orders of the Mogul Emperor Aurangzeb and on his refusal to embrace Islam was beheaded in the Chandni Chowk of Delhi. He died in composure singing the divine praise:
“Why grieve for that which is inevitable? Everyone who’s born must also pass away from here. ”
Guru Teg Bahadur was executed on 11 November, 1675. This day is observed by the Sikh as ‘Sahid Divas’.