1. On February 21, 1846, the first telegraph message was sent between Washington, D.C. and Camden, New Jersey. The message was about the Mexican-American War and was sent by Samuel Morse, the inventor of the telegraph.

2. In 1878, the first telephone exchange in Camden, New Jersey was established. It was operated by the Bell Telephone Company and served 26 subscribers.

3. February 21, 1848 was the birthdate of famous suffragist and women's rights activist Alice Paul. Paul was born in Mount Laurel, New Jersey and went on to play a pivotal role in securing the right to vote for women.

4. In 1975, the iconic American motorcycle manufacturer Harley-Davidson announced that it would be closing its manufacturing plant in Trenton, New Jersey. The plant had been in operation since 1958 and employed approximately 1,000 workers at its peak.

5. On February 21, 1986, the Cherry Hill Mall in Cherry Hill, New Jersey became the first enclosed, climate-controlled shopping mall in the eastern United States to open a food court. The food court concept quickly caught on and became a popular feature in malls across the country.