1. In 1789, New Jersey became the first state to ratify the Bill of Rights, which contains the first ten amendments to the United States Constitution. The Bill of Rights serves as a cornerstone of American democracy and continues to shape the nation's legal landscape.

2. The state of New Jersey officially adopted the blueberry as its official state fruit on April 23, 2004. The blueberry industry is a significant contributor to the state's agricultural economy, with over 28,000 acres devoted to the fruit.

3. On April 23, 1964, the New York World's Fair opened with a pavilion dedicated to the state of New Jersey. The pavilion showcased the state's industrial, cultural, and natural resources, and featured a miniature replica of the state's coastline.

4. The first official United States Patent was granted on April 23, 1790, to Samuel Hopkins for a method of producing potash, a key ingredient in soap and fertilizer. Since then, thousands of inventors in New Jersey and across the country have obtained patents for their innovations.

5. On April 23, 1910, the Edison Cement Company in New Village, New Jersey, became the site of the world's first rotary kiln cement plant. The use of rotary kilns revolutionized the cement industry by enabling the mass production of high-quality concrete at a lower cost. The plant remained in operation for over 70 years before closing in 1980.