1. The Battle of Trenton took place on January 30, 1777, during the American Revolution. George Washington led his troops across the icy Delaware River to engage and defeat Hessian mercenaries stationed in Trenton.

2. On January 30, 1909, the first automobile race was held on the boardwalk in Atlantic City. Competitive drivers raced their cars up and down the wooden planks, drawing a large crowd of spectators.

3. The first submarine to successfully sink a ship in combat, the German U-boat U-53, made its way up the Delaware River on January 30, 1917, and attacked several Allied ships docked in Hoboken and New York City.

4. January 30, 1937, marked the beginning of a two-week-long strike by textile workers in Passaic, demanding better working conditions and wages. The strike, involving thousands of workers and frequent clashes with police, drew national attention to labor rights issues.

5. On January 30, 1974, the Supreme Court of New Jersey upheld the death sentence of infamous serial killer Richard Biegenwald. Biegenwald, who confessed to murdering several people in the 1970s, spent decades on death row until his execution in 2008.