1749 Peter Kalm reports that soldiers at Fort St. Frederic each had small gardens outside the fort, some with summer houses. All of the officers kept cows.
1756 The Jardin du Roi, later named the King's Garden, is laid out by French officers at Fort Carillon.
1865 Members of William Gilliland's settlement in Willsboro are reported to have cut forty tramp cocks of hay to provide for their cattle.
1792 Families settling in Pleasant Valley near present-day New Russia in early March build little sheds in which to live while making maple sugar.
1810 The tillage of Wilmington is almost entirely devoted to the production of rye for distilleries.
1816 A frost every month throughout the summer causes crops to fail.
1820 Potash production in Essex County consumes 19,800 cords of wood from trees cleared to create farm land.
1849 The Essex County Agricultural Society holds its first county fair in Keeseville.
1864 The first cheese factory opens in the county.
1865 Land in farms peaks at 689,010 acres, about half the county.
1865 The county's sheep population peaks at 62,000.
1875 The Bouquette Grange is organized at the Andrew Mitchell farm in Wadhams.
1880 The number of farms in Essex County peaks at 2,752.
1881 The county fairgrounds are established in Westport.
1889 A total of 161,169 pounds of maple sugar is produced within the county.
1899 The number of apple trees and grape bearing vines in the county peak at 28,251 and 14,339 respectively.
1900 The number of milk cows in Essex County peaks at 11,266.
1916 The Farm Bureau is established in Port Henry.
1927 Milk is transported down to New York City by rail.
1957 The county produces 374,772 pounds of birdsfoot trefoil, worth over a dollar a pound.
1990 The Adirondack Farmers Market provides an outlet for the sale of local produce.
1997 There are 197 farms in Essex County of which 25 are dairies, 4 are orchards and one grows potatoes. There are 48,200 acres in agricultural production.