1. Wisconsin became a state on February 23, 1847. After years of being a territory, Wisconsin was officially recognized as the 30th state in the United States.

2. On February 23, 1870, Madison became the official capital of Wisconsin. Prior to this, the capital had changed several times between different cities in the state.

3. On February 23, 1928, the Wisconsin Legislature passed a bill allowing women to be appointed as notaries public. This was a significant step forward in women's rights, as it allowed women to hold a position that had previously been reserved for men.

4. In 1954, February 23 was declared "Fred MacMurray Day" in Wisconsin. MacMurray was a successful actor and Wisconsin native, best known for his roles in popular movies such as "Double Indemnity" and "The Apartment."

5. On February 23, 1985, the Milwaukee Bucks retired Kareem Abdul-Jabbar's number 33 jersey. Abdul-Jabbar had played for the Bucks early in his career and had led the team to its only NBA Championship in 1971.