1609 French explorer Samuel de Champlain describes seeing a five-foot long lake fish with double rows of very sharp teeth, which the Indians call Chaousarou.
1749 Swedish naturalist Peter Kalm reports that the wilderness along Lake Champlain south of Fort St. Frederic has few quadrupeds, though he remarks that bears were plentiful in the vicinity of the fort.
1797 Charles Broadhead climbs Giant Mountain while surveying the south boundary of the Old Military Tract.
1830 Proprietors of the McIntyre iron works in Newcomb hire John Cheney as a guide and hunter. During his first thirteen years in the wilderness he is reported to have killed 600 deer, 400 marten, 19 moose, 48 bears, 30 otter, and several wolves, mountain lions and beaver.
1837 A party led by state geologist Ebenezer Emmons with guides John Cheney and Harvey Holt make the first recorded ascent of Mt. Marcy. Emmons names the high peaks the "Adirondack Group."
1847 Speculation that no beaver remain in Essex County is nearly universal.
1857 The state legislature passes a law with provisions making it illegal to possess green hides or venison out of season.
1858 Truman Miles shoots what may have been the last native moose in Essex County on the road between Averyville and North Elba.
1862 Adirondack waters are stocked with bass for the first time.
1871 The state places bounties on mountain lions and wolves. Bounties are paid for five mountain lions and two wolves killed in Essex County over the next eleven years.
1876 The Preston Ponds Club, precursor to the Adirondack and Tahawus Clubs, is organized for "the protection, increase and capture of fish and game in and about the Preston Ponds in the County of Essex, and the promotion of social intercourse among its members."
1885 New York State designates public land in the Catskills and Adirondacks as a forest preserve.
1891 The Adirondack Guides Association is formed.
1892 The Adirondack Park is established.
1894 The "Forever Wild" clause becomes part of New York's Constitution.
1902 The Society for the Protection of the Adirondacks is formed.
1903 Forest fires destroy more than 464,000 acres of Adirondack forest land.
1906 The New York State Forest, Fish and Game Commission releases one beaver at Lake Placid.
1909 The state constructs the first forest fire observation towers in the Adirondacks.
1913 The New York State Conservation Commission adopts regulations permitting lean-tos in the Forest Preserve.
1922 The Adirondack Mountain Club is formed.
1923 The state legislature authorizes the Conservation Commission to open the season on beaver hunting and trapping as it saw fit.
1925 George Marshall, Robert Marshall, and their guide Herbert Clark become the first to climb the region's forty-six high peaks.
1934 The Adirondack Mountain Club publishes Orra Phelps' A Guide to Adirondack Trails.
1980 Moose begin wandering back into the Adirondacks from Ontario or Northern New England.
1989 The first of eighty-three lynx from the Yukon are released in the High Peaks region.