December 14, 1743 - This church was organized as an Orthodox Congregational Church and had seven members. It was provided for at the founding of the Town of New Marblehead in 1734, but it was nine years later that the Rev. John Wright became the first settled minister.

1762 - The second minister, Peter T. Smith, was called as the town of New Marblehead became Windham. Services were held in the old Province Fort for the fourteen members.
1768 (and again in 1783) - attempts were made to construct a meeting house in the South end of town. Neither building was ever finished.
1795 - The fourth edifice was opened for public worship and was the center of religious interest for nearly forty years. It was located on a height of land near the intersection of Montgomery Road and Depot Street. (In 1861) it was sold for conversion to a barn and moved.
1811 - Gardiner Kellogg, a graduate of Dartmouth College became the fifth settled minister. He served for 15 years, establishing the Church on a firm foundation.
1834-1835 - The seventh minister, Jonathan Lee Hale, was instrumental in the building of the present meeting-house, the fifth to house this congregation. "It was a convenient, well-finished church with steeple and bell, being the first bell on any church in Windham."
1854-1884 - During the pastorate of the eleventh pastor, Rev. Luther Wiswall, the church flourished and attained its greatest prosperity to date. He served the church for thirty years and then sold his home to the Windham Ministerial Fund to be the parsonage of the First Congregational Church of Windham.The first organ was installed in 1872.
1891 - The thirteenth pastor, Rev. James E. Aikins, was installed. He served until his death, 45 years later.
1937 - On October 8th, this church joined the Presumpscot Union Parish, with Walter Swank as the 14th minister.
1944-1953  - Rev. Robert C. Whitehead served this church and the Presumpscot Union Parish, perhaps the most energetic and visionary pastorate to date.
1950 - The First Congregational Church of Windham was incorporated.
1955 - Rev. Donald W. Henderson was installed as the 16th settled minister.
1959 - The parish house, Fellowship Hall, was built. At that time the Windham Ministerial Fund gave the land for the Parish House and the Town of Windham gave Windham Hill Church the deed to the land on which the church stands.
1961 - Rev. Leslie R. Craig became the 17th settled minister, serving both The Presumpscot Parish and the Windham Hill Church.
1966 - The 18th minister, Rev. John Swanson was installed.
1970 - Rev. Leighton Foss was installed as the 19th minister and served for ten years.
1972 - The name of the church was officially changed from the First Congregational Church of Windham to the Windham Hill United Church of Christ. (January 7th)
1982 - Mrs. Madelyn Hennessey Carr, 20th pastor and 1st woman minister, was installed.
1986 - The Presumpscot Union Parish was dissolved - the Windham Hill Church was on its own again after 49 years membership in the Larger Parish.
1987-1988 - Rev. Nash Garabedian Jr. was engaged as a part-time minister. Seven months later Interim Pastor Dr. Carol Kerr arrived, serving until November of 1988.
1988 - Our 21st Pastor arrived: Rev. Dana W. Douglas. Dana served for five years as we expanded our membership.
1995 - Our 22nd pastor, the Rev. Dr. William D. Howden began his tenure.
2000 - The Sancturay is completly renovated. Balcony supports changed and platform at front extended across the whole church.
2002 - Reverand Dr. Jeanette A. Good engaged as Interim Pastor.
2003 - Reverend Sally Colegrove, 23rd settled pastor arrives.