In the period 1809–1917, before its independence, Finland was the Autonomous Grand Duchy of Russia. Many important religious influences were mediated through Sweden, the former mother country, and by the Swedish speaking minority on the western coastal area, Ostrobothnia. This was the case also with Pentecostalism. The history of classical Pentecostalism in Finland goes back to the early twentieth century with some influences also from the Azusa Street Revival.

The Norwegian Methodist pastor Thomas B. Barratt was influenced by Pentecostalism in the USA in 1906. In Oslo, he s…