1697 - French under d'Iberville enter Heart's Content. The final 30 men plus women and children holdup in a fort commanded by Irishmen. The occupants surrender to the French.

1700 – Census taken records a population of 35, 5 fishing-stages and 7 boats.

1729 – The majority of the early settlers belonged to the Church of England, they request that Heart’s Content to be served by the missionary just appointed by the Society for the Propagation for the Gospel for the Trinity area.

1730 – Apparently their request was granted when "the first divine service in which a minister took part" was held.

1783 – A docking facility established to build sailing craft of all types. This was the first attempt to diversify the economy of Heart's Content. At its height, the industry employs 100 men, shipwrights, sail-makers, caulkers, woodsmen, sailors and blacksmiths.

1823 – Society for the Propagation of the Gospel opens its first school in Heart’s Content, with Thomas Parker as teacher. He had 52 students.

1836 - Census records the population to be 404.

1840’s (early) – The school opened in 1823 is closed when the Society for the Propagation of the Gospel discontinued its educational services. After about two years another school is opened by the Newfoundland School Society.

1845 – James Lever, the teacher at the new school has 83 students enrolled.

1846 – St. Mary’s Church (designation of the Parish ever since) replaces the already established small Church of England church.

1862 – Rev. George Gardner founds the Fisherman’s Society at Heart’s Content, later the Society of United Fishermen.

1865 – Heart’s Content is chosen as the location for the first transatlantic submarine telegraph cable.

1866 (July 27) - Transatlantic cable from Valentia, Ireland is landed at Heart's Content by the S.S. Great Eastern.

1871 – Samuel S. Stentaford (from Brigus) comes to the community to work with the Anglo-American Telegraph Company. His assistant (A.A. Thompson) and other Methodist residents of Heart’s Content and surrounding communities set out to formally organize a Methodist mission in the area. (They begin plans for a Methodist church as well).

1873 – Fisherman’s Society organized in 1862 becomes the Society of United Fisherman with Rev. George Gardner as its first Grand Master.

1873 and 1874 – Two more cables are laid between Heart’s Content and Ireland.

1874 – Census reported only one school is maintained by the Church of England in Heart’s Content.

1870’s – The Methodist congregation is organized, they also built a school.

1877 – The St. Mary’s parish has more than 900 members and is served by the Rev. George Gardner. In this year, Gardner leaves to fulfill duties in Ontario, but the Parish of St. Mary’s and the Society of United Fisherman (originally started in Heart’s Content) were firmly established in community, and latter also in other parts of Newfoundland.

1877 – Samuel S. Stentaford and fellow Methodists are successful in establishing their minority religious denomination, when Rev. Joseph Lister (resident minister) is stationed at a new mission in the area and begins planning for a church.

1877 – The Newfoundland Directory lists 5 merchants and traders in Heart’s Content: Joseph Hopkins, James H. Moore, Richard Perry, Israel Rockwood and John Warren.

1878 (November) – A Methodist Church which began in the spring, is completed and opened under a new minister, Rev. Jesse Heyfield.

1880 and 1894 – Two more cables were laid marking Heart’s Content station as one the most important in the world at this time.

1880’s – Population grows to an estimated 1,200 residents.

1908 – Rev. Jesse Heyfield returns for a second pastorate.

1910 – Rev. Jesse Heyfield passes away and is buried in Heart's Content.

1915 – Heart’s Content is linked by railway with the Conception Bay branch of the Reid Newfoundland Railway system. The rail connection allows the AngloNewfoundland Development Company to use Heart’s Content as a winter port for shipments of newsprint from its mill at Grand Falls.

1918 – The brick cable station is enlarged to serve the "Anglo-American Telegraph Company and its successor, Western Union, until its closure in 1965.

1920’s (early) – A hydro-electric power plant is constructed by the Public Service Electric Company.

1930’s-1940’s (early) – The decline in the fishing industry puts a complete end to the shipbuilding and boat building, and the loss of the railway, drastically reduces the economic base of the town.

1932 – The United Towns Electric Company purchases the power plant mentioned above and it was incorporated into its system.

1935 - Anglo Newfoundland Development Company stops using the port.

1960 – The power plant is enlarged and re-built, and for a short time made part of the Avalon power grid.

1967 – Heart’s Content is incorporated as a Local Improvement District.

1968 – The brick cable building closed in 1965 is bought by the Provincial Government as an historic site and soon after begins a restoration project to make the almost 100 year old building a communications museum.

1974 – (July 27) – 108 years after the landing of the transatlantic cable in the New World, the restored communications museum officially opens.

1974 – Heart’s Content elects a town council.

1978 – Special services are held to commemorate the work of Rev. Jesse Heyfield, and the Methodist church is renamed "Heyfield Memorial Church".