Why did the 1905 revolution not lead to the downfall of the Tsar when in February 1917, it did?

One reason was the armed forces’ attitude to the regime. During the 1905 revolution, the majority of the army was still loyal to the Tsar, the army was able to crush the disturbances and arrest thousands of revolutionaries. many of the opposition groups were executed and thousands fled into exile (including Lenin, Trotsky) however the February Revolution in 1917, many of the original members of the army were killed so the army was made out of conscripts so the members were workers or peasants so they had experienced the incompetence of the Russian officers and the lack of military direction from the Tsar. So the when February revolution started, many refused to fire the protestors and joined the revolution themselves.

Another reason was War. The 1905 revolution saw the defeat of the Russo-Japanese War in 1905. The Russo- Japanese War was fought far away and lasted until September 1905. This was seen as a national humiliation towards the Russian civilians and undermined the support of the Tsar as it was a symbol of the Tsar’s incompetence and one of the catalysts of the 1905 revolution. But the First World War had a greater impact on Russia than the Russo –Japanese war because Russian soldiers were fighting on Russian territory and it was continuing for over 3 years by February 1917 which caused resentment among thousands of families. Also continuous defeats and loss of territory continued to affect Russia as there were badly trained officers & generals which were appointed because they supported the Tsar not because of their ability towards the army which revealed the failure of the tsarist government because it caused economic, social & military problems within Russia.

Another reason was the Tsar’s actions. The 1905 revolution saw the Tsar declare an October Manifesto which caused the end to the revlolution as he gave the Russian civilians what they wanted.