After the March 1st Movement in 1919, Kim Gu exiled himself to Shanghai, China. He joined the Provisional Government of the Republic of Korea. From that time, he started fighting against Japanese Imperialism. He wanted independence for Korea. He organized the Korea Patriotic Legion. It was a nationalist group. He told Yoon Bong-Gil to bomb the ceremony for the Emperor's birthday at Hongkeou Park in Shanghai. Also, he had Lee Bong-chang try to kill the Japanese Emperor Hirohito in Tokyo. This ended up with failure. Kim also created the Korean Liberation Army. He was re-elected several times as the leader of the Provisional Government of the Republic of Korea.