Guru Nanak is widely regarded as the founder of Sikhism. He was born in 1469 in the village of Talwandi, now known as Nankana Sahib, in present-day Pakistan.

The central teaching of Sikhism is monotheism, the belief in one God. Sikhs believe that God is the creator of the universe and the source of all life.

There were a total of 10 Sikh Gurus, starting with Guru Nanak and ending with Guru Gobind Singh.

Guru Gobind Singh was the last Sikh Guru. He was born in 1666 and became the Guru at the age of nine after the death of his father, Guru Tegh Bahadur.

The holy book of Sikhism is called the Guru Granth Sahib. It is a collection of hymns and teachings from the Sikh Gurus and other saints.

The Sikh place of worship is called a Gurdwara. It is a place where Sikhs gather to pray, sing hymns, and listen to the teachings of the Gurus.

The Sikh religious festival that celebrates the birth of Guru Nanak is called Guru Nanak Jayanti. It is celebrated on the full moon day of the month of Katak, which usually falls in November.

The Sikh religious festival that celebrates the martyrdom of Guru Tegh Bahadur is called Guru Tegh Bahadur Martyrdom Day. It is celebrated on the fifth day of the month of Magh, which usually falls in January.

The Sikh religious festival that celebrates the birth of Guru Gobind Singh is called Guru Gobind Singh Jayanti. It is celebrated on the seventh day of the month of Poh, which usually falls in December.

The Sikh religious festival that celebrates the harvest is called Vaisakhi. It is celebrated on the first day of the month of Vaisakh, which usually falls in April.

The Sikh religious symbol that is worn on the turban is called the Khanda. It is a double-edged sword that represents the spiritual and temporal power of the Sikh Gurus.

The Sikh religious symbol that is worn on the wrist is called the Kara. It is a steel bracelet that represents the unity of the Sikh community.

The Sikh religious symbol that is worn on the hair is called the Keski. It is a small piece of cloth that is tied around the head and represents the Sikh's commitment to their faith.

The Sikh religious symbol that is carried by Sikhs is called the Kirpan. It is a small sword that represents the Sikh's readiness to defend their faith.