| 1870 | - | St. Paul Church is formed, becoming the first African-American religious congregation in Cambridge, Massachusetts.
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| 1873 | - | The Church becomes affiliated with the African Methodist Episcopal (AME) Church.
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| 1877 | - | Named after a devoted worker, the Margaret Hazel Missionary Society is organized. |
| 1921 | - | The current church building is purchased by Rev. C. B. Lawyer. |
| 1974 | - | Named after the second pastor of St. Paul Church, The Henry Buckner School is instituted. |
| | -
| Honoring the founder of the AME Church, Austin Street is renamed Bishop Richard Allen Drive. |
| 1988 | -
| A nearby building (formerly housing a local bowling alley) is purchased and converted into the Christian Life Center (CLC). |
| 1998 | - | The Christian Life Center auditorium is renovated and named The LeRoy Attles, Sr. Auditorium. |
| 1999 | -
| St. Paul Church membership grows to more than 1,500 congregants. |
| | -
| St. Paul Church completely renovates its sanctuary, social hall and kitchen. |
| 2002 | -
| St. Paul launches a landmark capital campaign to accomplish the early retirement of its CLC mortgage. |
| 2005 | -
| With an October mortgage burning ceremony, St. Paul completes a landmark capital campaign to accomplish the early retirement of its CLC mortgage. |
| 2009 | -
| June - St. Paul marks the conclusion of the longest pastoral tenure in its history, celebrating Rev. Dr. LeRoy Attles' 32 years of faithful, dedicated and visionary ministry at St. Paul. |
| 2009 | -
| June - St. Paul welcomes its new pastor, Reverend Marcellus A. Norris. |
| 2012 | -
| January - St. Paul welcomes its new pastor, Reverend Melvin E. Wilson.
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| 2013 | | November - St. Paul welcomes its new pastor, Reverend Ellis I. Washington. |
