Politics17 April 1925

Founding and First Arrests of the Korean Communist Party

The Korean Communist Party was founded in secret in Seoul, but in November the Sinuiju incident exposed it and many members were arrested under the Peace Preservation Law.

Newspaper report of Heo Jeong-suk’s arrest in the first Korean Communist Party case — December 1925
매일신보 · Public domain · Source

Kim Jae-bong and others founded the party in April 1925. A clash between members and Japanese police at Sinuiju in November exposed the organization and led to the first round-up; the rebuilt party was broken again in 1926 while preparing the June Tenth demonstrations. Japan used the Peace Preservation Law repeatedly against socialist movements.

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The map in 1925

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States and rulers at the time: Korea under Japanese rule — Governor-General Saitō Makoto

Before and after

Earlier: 1924 Joseon Youth Federation
Later: 1925 Peace Preservation Law

Themes that include this event

Republican China and Imperial Japan1912 – 1949
The age when the Republic of China, born of the 1911 Revolution, passed through warlord division, the May Fourth Movement, the United Front and the Northern Expedition, fought Japan’s invasion and split in civil war — as Japan moved from Taishō democracy through the Manchurian Incident and military coups to the war in China and the Co-Prosperity Sphere, and colonized Korea resisted through the March First Movement and armed struggle