Guru Arjun Dev ji peacefully meditates as hot sand is poured on his naked body. He sits on a hot plate in total concentration. He was harassed and tortured by King Jehangir. Jehangir writes in his diary that he killed the Guru for supporting his rival brother and for having a strong influence over Hindus and Muslims. http://sikhiart.com/for-sale/guru-arjun-dev/
Sahibzada Ajit Singh fought till the very end to defend his father Guru Gobind Singh ji, in the gruesome Battle of Chamkaur in 1705. He sacrificed his life for the Guru and his Sikhs. His sacrifice is unrivaled by anyone of his age, 18. http://sikhiart.com/for-sale/battle-of-chamkaur/
Harimandir Sahib is the most sacred Sikh temple, also known as Gurudwara. It was originally built by Guru Arjun Dev ji but demolished many times before it was built the finaly time by Maharaja, who added marble and gold on top of it. Harmandir Sahib thus came to be known as the Golden Temple. http://sikhiart.com/for-sale/harimandir-sahib/
Mai Bhago “She is the most beautiful among women who loves the Guru and wears this jewel on her forehead.” – Guru Nanak Dev ji Mai Bhago put this to practice when she led a band of 40 Sikhs, who had abandoned Guru Gobind Singh ji, back to the Guru. http://sikhiart.com/for-sale/mata-bhag-kaur/
Guru Gobind Singh ji's two sons were brutally killed by the cruel Wazir Khan. Several years later, when Banda Singh Bahadur heard of this act, he sought out to punish the Nawab of Sirhind. He amassed an army, captured Sirhind and beheaded Wazir Khan. http://sikhiart.com/for-sale/banda-singh-bahadur/
Baba Deep Singh ji at an old age led 5000 sikhs to defend Golden Temple, Harimandir Sahib from the Afghani assault. Him and his entire army were sacrificed however Baba Deep Singh ji fought all the way. His head was cut off in battle and he picked it up and with any remaining energy he continued fighting till he dropped after reaching the parikarma of the Golden Temple, Harimandir Sahib.