For the month of August

Aug. 1 1863: Maharani Jind Kaur (wife of M. Ranjit Singh) passed away in London
Aug. 5 1992: Bhagat Puran Singh passed away.
Aug. 7 1765: Baba Ala Singh passed away.
Aug. 9 1942: 60,000 Sikhs courted arrest under the "Britishers Leave India" movement.
Aug. 11 1635: Sain Mia Mir passed away at Lahore.
Aug. 11 1664: GURU GADDI, Guru Tegh Bahadhur Ji , actual date
Aug. 13 1986: Sardar Kapur Singh, National professor of GurSikhism, passed away.
Aug. 16 1604: GURU GADDI, GURU GRANTH SAHIB, actual date
Aug. 21 1664: Guru Teg Bahadhur Ji visited Kiratpur.
Aug. 22 1986: Sobha Singh, the renowned painter, passed away.
Aug. 24 1820: Sardar Hari Singh Nalwa reached Kashmir.
Aug. 25 1637: Bhai Gurdas Ji passed away.
Aug. 26 1679: Janam Din, Bhai Daya Singh, one of the Panj Payare
Aug. 29 1923: The Guru Granth Sahib at Jaito was desecrated by the British.

Dates courtesy of Baldev Singh detailed listings posted on Khalsa net daily.