Which country's citizen was XXX?
Guru Tegh Bahadur
Guru Tegh Bahadur (Punjabi: ਗੁਰੂ ਤੇਗ਼ ਬਹਾਦਰ, Punjabi pronunciation: (ɡʊru teɣ bəhɑdʊɾ); 1 April 1621 -- 24 November 1675,), revered as the ninth Nanak, was the ninth of ten Gurus (Prophets) of the Sikh religion.