1949 Kemi strike: Two protesters die in the scuffle between the police and the strikers' protest procession in Kemi, Finland.

The 1949 Kemi strike was a strike in July–August 1949 by the workers of Kemi Oy in the Northern Finnish town of Kemi. On August 18 the strike escalated on a violent clash called "Kemi Bloody Thursday" between strikers and local police, two workers were killed and several injured. Kemi strike is so far the last fatal political protest in Finland.

Kemi is a town and municipality of Finland. It is located approximately 30 kilometres (19 mi) from the city of Tornio and the Swedish border. The distance to Oulu is 105 kilometres (65 mi) to the south and to Rovaniemi is 117 kilometres (73 mi) to the northeast. It was founded in 1869 by a decree of the Emperor Alexander II of Russia because of its proximity to a deepwater port.

August 18 is the 230th day of the year in the Gregorian calendar; 135 days remain until the end of the year.