The Báb, founder of the Bábí movement, was executed by firing squad in Tabriz on the order of Qajar authorities. Encyclopaedia Iranica notes disagreement between 8 and 9 July in contemporary accounts....
A group of Bábís attempted to assassinate the Shah near Niyavaran. The attempt failed; state reprisals followed against Bábís and others, including the killing of Táhirih and the torture and execution...