1. Delaware officially became a state on October 1, 1779.
On this day, Delaware became the first state to ratify the US Constitution and was admitted as the first state in the Union.

2. The first public school in Delaware opened on October 1, 1810.
The New Castle Academy, which later became the University of Delaware, was established in New Castle, Delaware, providing education to both boys and girls.

3. The Wilmington and Western Railroad began operations on October 1, 1872.
This railroad initially transported goods and passengers to and from various towns and cities in Delaware, but later shifted its focus to scenic tours for tourists.

4. The DuPont Company was founded on October 1, 1802.
E.I. du Pont de Nemours and Company, commonly referred to as DuPont, was founded in Wilmington, Delaware, and went on to become one of the largest chemical companies in the world.

5. The State of Delaware purchased Cape Henlopen on October 1, 1964.
This area, which had previously been used for military purposes, was turned into a state park that spans over 5,000 acres and includes beaches, trails, and historic sites.