| 1694 - Jean-Baptiste Hertel becomes the first seigneur of the Mont-Saint-Hilaire area (granted by Louis XIII) |
| 1724 - Upon her husband's death, Marie-Anne Beaudoin becomes seigneur |
| 1745 - Gradual formation of village near the mountain |
| 1750 - Construction of several miles along the mountain stream |
| 1768 - Construction of Chemin de la Montagne |
| 1795 - Saint-Hilaire parish founded |
| 1798 - First chapel in Saint-Hilaire, near the Richelieu |
| 1822 - Ferry begins service between Beloeil and Saint-Hilaire |
| 1822 - The Rouville seigneurie has a population of 772 in 124 families |
| 1837 - Colonel Wetherall and his troops make camp at Manoir Rouville |
| 1841 - Cross build on Pain de Sucre summit |
| 1844 - Thomas Edmund Campbell becomes seigneur |
| 1848 - The Grand Trunk railway crosses the Richelieu |
| 1850 - The village has nine mills, one distillery, three tanneries, two smithies and one foundry |
| 1851 - Thomas Campbell builds Campbell Café |
| 1864 - Deadly train accident between Beloeil and Mont-Saint-Hilaire |
| 1871 - Construction of a pilgrims chapel on Pain de Sucre |
| 1874 - Construction of Iroquois Hotel |
| 1876 - Cross on Pain de Sucre destroyed by lightning |
| 1895 - Iroquois Hotel burns down |
| 1912 - The village of Saint-Hilaire secedes from the parish municipality |
| 1913 - Brigadier Andrew Hamilton Gault purchases mountain for 35000$ |
| 1941 - Construction of Beloeil Bridge |
| 1944 - Sugar beet refinery opens |
| 1946 - Construction of Foyer Savoy |
| 1950 - Creation of downhill ski run on western slope |
| 1958 - Brigadier Gault bequeaths mountain to McGill University |
| 1959 - Poudrette quarry begins operations |
| 1963 - Downhill ski run closes |
| 1970 - Public transit begins operations |
| 1972 - Nature Conservation Centre established |
| 1986 - Sugar beet refinery closes |
| 1988 - Destruction of Foyer Savoy after it's sale |
| 1997 - Citizen-led fight to protect mountain environs and prevent high density residential development |
