Albany, New York became the capital of New York in 1797 following formation of the United States. Albany is one of the oldest surviving settlements of the original British thirteen colonies, and is the longest continuously chartered city in the United States. During the late 18th century and throughout most of the 19th, Albany was a center of trade and transportation. The city lies toward the north end of the navigable Hudson River, was the original eastern terminus of the Erie Canal connecting to the Great Lakes, and was home to some of the earliest railroad systems in the world. In the 1920s,
Great Lakes shipping from January to March. Some icebreakers ply the lakes, keeping the shipping lanes open through other periods of ice on the lakes. The Great Lakes are also connected by the Chicago Sanitary and Ship Canal to the Gulf of Mexico by way of the Illinois River (from the Chicago River) and the Mississippi River. An alternate track is via the Illinois River (from Chicago), to the Mississippi, up the Ohio, and then through the Tennessee–Tombigbee Waterway (a combination of a series of rivers and lakes and canals), to Mobile Bay and the Gulf of Mexico. Commercial tug-and-barge traffic on