The correct option is D Bloody Sunday
The Russian Revolution of 1905, was instrumental in the transformation of the Russian government from an autocracy into a constitutional monarchy. Bloody Sunday is the name given to the events of Sunday, on 22 January 1905 in St Petersburg, Russia, when unarmed demonstrators led by Father Georgy Gapon were fired upon by soldiers of the Imperial Guard as they marched towards the Winter Palace to present a petition to Tsar Nicholas II of Russia. Officials recorded that about 96 people were dead and 333 were injured.