The Russian Revolution of 1905 was a combination of many political and social unrest spread throughout the Russian Empire, and many of these riots were directed towards the government. These unrests involved workers' strikes, rural riots and military rebellions. What caused this revolution were the long-term unresolved economic and political problems, as well as the defeat of Japan, with which Russia had several wars, mostly unsuccessful. The population was insatiable because of these wars, and demanded that the Tsar dealt with domestic economic issues.
Answers are Russo-Japanese War and economic and political issues.
