Bloody Sunday (1905) was a massacre in St. Petersburg, Russia where imperial guards fired on peaceful protesters led by Father Gapon, killing hundreds. This event triggered the 1905 Russian Revolution. It did not occur in India, China, or Tunisia.
Bloody Sunday occurred on 22 January 1905 in St. Petersburg, Russia, when Imperial Guard troops fired on unarmed demonstrators marching to petition the Tsar, an event that helped trigger the 1905 Russian Revolution.