1776    World's first submarine attack: the American submersible craft ''Turtle'' attempts to attach a time bomb to the hull of British Admiral Richard Howe's flagship HMS ''Eagle'' in New York Harbor.

1810    The ''Tonquin'' sets sail from New York Harbor with 33 employees of John Jacob Astor's newly created Pacific Fur Company on board. After a six-month journey around the tip of South America, the ship arrives at the mouth of the Columbia River and Astor's men establish the fur-trading town of Astoria, Oregon.

1849    Regular steamboat service from the west to the east coast of the United States begins with the arrival of the SS ''California'' in San Francisco Bay, 4 months 22 days after leaving New York Harbor.

1884    The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.

1886    In New York Harbor, President Grover Cleveland dedicates the Statue of Liberty.

1986    The centenary of the dedication of the Statue of Liberty is celebrated in New York Harbor.