1. Delaware Ratified The US Constitution on Jan 19, 1787
On January 19, 1787, Delaware became the first state to ratify the United States Constitution. Delaware's ratification paved the way for other states to follow suit, eventually leading to the establishment of the federal government.

2. Delaware State University Founded on Jan 19, 1891
On January 19, 1891, Delaware State University, formerly known as the State College for Colored Students, was founded. Today, the university is a historically black, public research institution that offers a range of undergraduate and graduate programs.

3. First Masonic Lodge Established in Delaware on Jan 19, 1768
On January 19, 1768, the Grand Lodge of Pennsylvania chartered the first Masonic Lodge in Delaware, known as St. John's Lodge No. 2. Over the centuries, the Masons have played an important role in Delaware's civic life and philanthropic activities.

4. Dover International Speedway Inaugurated on Jan 19, 1969
On January 19, 1969, the Dover International Speedway, also known as the Monster Mile, held its first race. Today, the NASCAR track attracts thousands of fans to its high-speed competitions and other events.

5. Delaware Native Annie Jump Cannon Born on Jan 19, 1863
Annie Jump Cannon, a pioneer in the field of astronomy, was born in Dover, Delaware, on January 19, 1863. Cannon was one of the first researchers to categorize stars based on their spectral characteristics, a system that is still used today. Her work on the Harvard classification scheme for stars helped revolutionize our understanding of the universe.