The city of New York was originally founded by the And was know as

The Dutch, New Amsterdam

Explanation:

The Dutch founded New Amsterdam on Manhattan Island in 1624.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

four sitting presidents have been assassinated while in office but the first was abraham lincoln,