Juho Kusti Paasikivi's first senate was the second senate (cabinet) of independent Finland. Its time period was May 27, 1918 – November 27, 1918.
Two members of Finnish Party and Swedish Party's Frey resigned from the cabinet at June 29, 1918. Agrarian League senator's all resigned because of Young Finnish Party's campaign of monarchy was very active.
In November 1918, following the surrender of Germany and the end of World War I, the Parliament of Finland adopted the republican form of state and the Senate of Finland was abolished, being substituted by the new Cabinet of Finland.
References
Juho Kusti Paasikivi's first senate Wikipedia(Text) CC BY-SA