A Brief History of Holy Trinity
| 1870 | St. Barnabas' Church, the first Episcopal Church in Greensboro, with 11 communicants was admitted into union with the convention. |
| 1893 | St. Andrew's Church, begun as a new mission, became a separate parish. |
| 1910 | St. Andrew's reunited with St. Barnabas' to become Holy Trinity Church. The name "St. Barnabas" disappeared after 41 years. The Reverend Thomas G. Faulkner, St. Barnabas' rector, became the first rector of Holy Trinity. |
| 1912 | About 100 communicants from Holy Trinity withdrew to reorganize St. Andrew's Church. |
| 1919 | Land for the present site of Holy Trinity Church was purchased. |
| 1922 | Holy Trinity Chapel was completed and occupied by the church school. The undercroft rooms were used for all programs of the church. |
| 1951 | On Thanksgiving Day, Holy Trinity's new stone church was dedicated. The Reverend John C. Mott was rector. |
| 1955 | St. Francis Church was established, with its roots in Holy Trinity. |
| 1959 | All Saints was established as a mission church. |
| 1962 | Holy Trinity's parish house was completed. |
| 1967 | St. Barnabas' Church was re-established. |
| 1983 | Church of the Holy Spirit became a mission church through Holy Trinity Church. |
| 1990 | Major repairs and renovations to Holy Trinity's buildings began and were completed in 1993. A columbarium was added. |
| 1988-2000 | Holy Trinity played a significant role in organizing the Episcopal Housing Ministry, the Episcopal Servant Center, GRAIN (Guilford Regional AIDS Interfaith Network), the Servant Leadership School of Greensboro and Holy Trinity Music School. Holy Trinity also supported and encouraged the opening of Canterbury School, an Episcopal school for kindergarten through eighth grade. |
| 1995-2002 | Holy Trinity became the fastest growing church in the Episcopal Diocese of North Carolina. |