1738 – the first Mennonites settle in the Cumberland Valley immigrating from Lancaster County, PA

1792 – the first Mennonite meetinghouse in the Cumberland Valley was built (Mt. Zion a.k.a. Housers Mennonite)

1832-39 – Washington-Franklin Conference begins holding its own Conference separate from Lancaster Conference

1915 - Franklin Mennonite Conference Mission Board is established

1957 – Washington-Franklin Historical Committee was formed

1965 – Washington-Franklin Conference divides into Washington-Franklin Conference (North) and Washington-Franklin Conference (South)

1970 – Washington-Franklin (North) joins the Mennonite Church General Assembly

1980 – Washington-Franklin (North) is renamed Franklin Mennonite Conference

2001 - Franklin Mennonite Conference becomes a provisional member of the Mennonite Church USA

2004 - Franklin Mennonite Conference becomes a full member of Mennonite Church USA

Source:  Building On The Gospel Foundation: The Mennonite of Franklin County, Pennsylvania and Washington County, Maryland 1730-1970 by Edsel Burdge Jr. & Samuel L. Horst