The iconic Golden Temple in Amritsar was built during the reign of:

Guru Arjan Dev
Guru Hargobind
Guru Tegh Bahadur
Maharaja Ranjit Singh

The correct answer is: a) Guru Arjan Dev.

Guru Arjan Dev was the fifth Guru of Sikhism. He was born in Goindwal, Punjab, India in 1563. He was the son of Guru Ram Das and Bibi Bhani. Guru Arjan Dev was a great saint and poet. He compiled the Adi Granth, the holy scripture of Sikhism. He also built the Golden Temple in Amritsar, Punjab, India.

Guru Arjan Dev was martyred in 1606 by the Mughal emperor Jahangir. He was tortured and executed for refusing to convert to Islam. His martyrdom is one of the most important events in Sikh history.

The Golden Temple is a gurdwara, a place of worship for Sikhs. It is located in Amritsar, Punjab, India. The temple is built on a man-made pool called Amrit Sarovar, which means “pool of nectar”. The temple is made of white marble and gold and is considered to be one of the most sacred places in Sikhism.

The Golden Temple is a popular tourist destination and is visited by millions of people each year. It is also a place of pilgrimage for Sikhs from all over the world.

The Golden Temple is a symbol of Sikhism and its values of peace, equality, and brotherhood. It is a place of worship, learning, and community. The temple is open to people of all faiths and is a place where people can come together to learn about Sikhism and its teachings.