Hudson explored all the following except: new york harbor hudson bay st. lawrence river arctic ocean

Hudson explored the New York Habor, the Hudson Bay, and the Arctic Ocean, but he didn't explore the St. Lawrence River.

Explanation:

Sir Henry Hudson was an English navigator of the beginning of the XVII century, known for his travels to the territories of modern Canada and the North-East of the USA. The date and place of his birth are not exactly known, but according to some assumptions, he was born on September 22, 1570 in London. It is believed that he died in 1611 in the current Hudson Bay in Canada as a result of a riot on a ship.

The St. Lawrence River was not explored by him, but by Jacques Cartier and Samuel de Champlain.

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