) of Gur
Arjan Dev
and Gur
Tegh Bah
dur
, observed respectively in Jyai
ha (May-June) and M
rga
rsa (Nov.-Dec.). The martyrdoms of the
S
hibz
de
are commemorated in Pau
a. Many Gurpurbs are observed only or chiefly at the site of the original event–e.g. the birthday of Gur
Har Krishan
at Delhi (July) and the anniversary of the installation of the Gur
Granth S
hib (
di Granth