January 3 has seen several significant events in Wisconsin history, here are five interesting facts:

1. In 1848, Wisconsin Territory's first constitutional convention began in Madison, paving the way for Wisconsin's statehood later that year. The convention would last for 25 days and lead to the formation of a constitution which was approved by the U.S. Congress in May 1848.

2. On January 3, 1911, Milwaukee's Germania Building caught fire, causing significant damage and killing six firefighters. The building was one of the tallest in Milwaukee at the time and housed several businesses and offices.

3. In 1959, Wisconsin Governor Gaylord Nelson gave his inaugural address on January 3, which outlined his plans for improving education, healthcare, and fiscal responsibility in the state. Nelson would go on to serve as governor for two more terms before being elected to the U.S. Senate.

4. On January 3, 1961, Wisconsin's first female state senator, Vel Phillips, was sworn into office. Phillips was a lawyer and civil rights activist who would go on to introduce several important bills during her time in office, including the Open Housing Law of 1968.

5. In 1985, the Milwaukee Bucks set a franchise record for the most points scored in a single game when they defeated the San Antonio Spurs 166-133 on January 3. The game featured several standout performances, including 35 points from Bucks player Junior Bridgeman and 31 points from Spurs player Mike Mitchell.