Did you know...

.... that according to Sikh history, Gurgadi was passed from Guru to Guru in following way:
Guru Nanak to Guru Angad (No Family Relation)
Guru Angad to Guru Amar Das (Father to Daughter's father-in-law)
Guru Amar Das to Guru Ram Das (Father-in-law to Son-in-law)
Guru Ram Das to Guru Arjun (Father to son)
Guru Arjun to Guru Hargobind (Father to Son)
Guru Hargobind to Guru Har Rai (Grandfather to Grandson)
Guru Har Rai to Guru Harkrishan (Father to Son)
Guru Harkrishan to Guru Tegh Bahadur (Great nephew to Great uncle)
Guru Tegh Bahadur to Guru Gobind Singh (Father to Son)
Guru Gobind Singh to Guru Granth Sahib (Never done before!)

SikhiWiki:Did you know/Week 20