
New York, during the 17th century, Dutch trading posts established for the trade of pelts from the Lenape, Iroquois and other indigenous peoples expanded into the colony of New Netherlands. The first of these trading posts were Fort Nassau (1614, near present-day Albany); Fort Orange (1624, on the Hudson River just south of the current city of Albany and created to replace Fort Nassau), developing into settlement Beverwijck (1647), and into what became Albany; Fort Amsterdam (1625, to develop into the town New Amsterdam which is present-day New York City); and Esopus, (1653, now Kingston). The success of the patroonship of Rensselaerswyck (1630), which surrounded Albany and lasted until the mid 19th century, was also a key factor in the early success of the colony.
The Capture of Fort Ticonderoga provided the cannon and gunpowder necessary to force a British withdrawal from the Siege of Boston in 1775.

The notorious British prison ships of Wallabout Bay saw more American combatants die of intentional neglect than were killed in combat in every battle of the war, combined. Four of the Iroquois nations fought on the side of the British; only the Onondagas were allies of the colonists. Many Iroquois were defeated in the Sullivan Expedition of 1779. As Loyalist allies of the losing British, the Iroquois were pushed to Canada after the war. In the treaty settlement, the British ceded most Indian lands to the new United States. Because New York made treaty with the Iroquois without getting Congressional approval, some of the land purchases are the subject of modern-day claims by the individual tribes. More than 5 million acres of former Iroquois territory was put up for sale in the years after the Revolutionary War, leading to rapid development in upstate New York. As per the Treaty of Paris, the last vestige of British authority in the former Thirteen Colonies – their troops in New York City – departed in 1783, which was long afterwards celebrated as Evacuation Day.
New York 19th century
New York state was one of the original thirteen colonies that became the United States. It was the 11th state to ratify the United States Constitution, on July 26, 1788.
Transportation in western New York was difficult before canals were built in the early part of the nineteenth century. The Hudson and Mohawk Rivers could be navigated only as far as Central New York. While the St. Lawrence River could be navigated to Lake Ontario, the way westward to the other Great Lakes was blocked by Niagara Falls, and so the only route to western New York was over land.
Governor DeWitt Clinton strongly advocated building a canal to connect the Hudson River with Lake Erie, and thus all the Great Lakes. Work commenced in 1817, and the Erie Canal was finished in 1825. It was considered an engineering marvel. Packet boats traveled up and down the canal with sightseers and visitors on board. The canal opened up vast areas of New York to commerce and settlement. It enabled Great Lakes port cities such as Buffalo and Rochester to grow and prosper. It also connected the burgeoning agricultural production of the Midwest and shipping on the Great Lakes, with the port of New York City. Improving transportation, it enabled additional population migration to territories west of New York.-->wikipedia