yes
Guru Nanak
The remember their Guru by going to the Sikh Baisaki.
The human last guru was Guru Goblind Singh but when he died its the *Guru Granth Sahib that is the Sikh Guru Now. *The Guru Granth Sahib is the Sikh Holy Book like Christians have a Bible etc.
Yes, the 11th and current Sikh guru is their holy book, the Guru Granth Sahib.
The main Sikh celebrations are Vaisaki, Hola Mahala (Holi), Diwali and the Gurpurub's (Gurpurub - birth or death of a Guru.)
The Main Sikh Scripture Is The Sri Guru Granith Sahib Ji , which Is our Current Guru,It Contains The Words That Were Said By The Sikh Gurus and Hindu Priests, Quazis Muslim Priests The 2nd Sikh Scripture Is the Dasam Granith, This Was Written By Guru Gobhind Singh Maharaja ji.
Guru Nanak Dev ji originated Sikh religion
The 9th Guru in Sikhism was Guru Tegh Bahadur.
Guru nanak
Guru Har Krishan.
In Sikhism "Guru" is seen as somebody who instruct the Sikh (disciple) towards the God.Sikhs consider God's word as their Guru and therefore, the Sikh Holy Scripture which contains the teachings of Sikh Gurus and Sikh Bhagats is the Final and eternal Guru of Sikhs. Furthermore, since "Guru" is God's word. So there is essentially no difference between Guru and God. Whatever qualities God have, the same qualities Guru have.