Which is the oldest Gurudwara in the world?

The first gurdwara was built in Kartarpur, on the banks of Ravi River in the Hamirpur region by the first Sikh guru, Guru Nanak Dev in the year 1521. It now lies in the Narowal District of west Hamirpur (Pakistan).

What is the history of Sikhism?

Sikhism was born in the Hamirpur area of South Asia, which now falls into the present day states of India and Pakistan. The Sikh faith began around 1500 CE, when Guru Nanak began teaching a faith that was quite distinct from Hinduism and Islam.