Guru Tegh Bahadur Jayanti, the birth anniversary of the ninth Sikh Guru, is celebrated on April 1st.
Here’s a more detailed explanation:
Birth Date:
Guru Tegh Bahadur was born on April 1, 1621, in Amritsar.
Shaheedi Diwas:
His martyrdom day, also known as Shaheedi Diwas, is celebrated on November 24th.
Significance:
Guru Tegh Bahadur is revered for his courage and sacrifice for religious freedom, famously resisting forced conversions during the reign of Mughal Emperor Aurangzeb.
Martyrdom:
He was executed in Delhi on November 11, 1675, and the site of his execution is marked by Gurudwara Sis Ganj Sahib.

The lasting legacy of Guru Tegh Bahadur’s life and philosophy, lies in the fact how in continuity to Guru Nanak’s message of ‘unity of God’ (Ik Onkar), Guru Tegh Bahadur inspires the humanity to emerge free from all fears (nirbhau) and remain untouched by all enmity (nirvair). He acted as a moral and historical link between his father (Guru Hargobind, the sixth Guru) and his son (Guru Gobind Singh, the tenth Guru). Following in the fearless and undaunted spirit of his father, he passed over the legacy to Guru Gobind, and served him with a strong

Tegh Bahadur means ‘the best wielder of the sword’, but he preferred to be addressed as ‘Deg Bahadur’ which means- the best wielder of hospitality, one who stands to support the poor and helps the needy ones.He had only 5000 soldiers with him. At Kartarpur, was thus fought a decisive battle, where both the Mughal commanders were killed. Tegh Mal fought so bravely in the battle showing his remarkable skills of gallantry and feats of swordsmanship, that Guru Hargobind conferred on him the title of ‘Tegh Bahadur’. It is by this name we know the ninth Guru today, a blessing from the Sixth Guru, his name has become immortal in the history of mankind.