1. On June 9, 1917, the first American Red Cross Motor Corps was formed in Milwaukee. The corps provided transportation for nurses and other relief workers during World War I.

2. In 1947, the Wisconsin State Legislature passed a law creating the Board of Vocational, Technical and Adult Education. This board would oversee the development of vocational and technical education programs in Wisconsin.

3. June 9, 1962 marked the grand opening of the Milwaukee County Zoo. The zoo is home to over 2,000 animals and is one of the most popular attractions in Wisconsin.

4. On June 9, 1983, Milwaukee's Summerfest music festival began. Summerfest is one of the largest music festivals in the world, attracting over one million visitors each year.

5. In 2003, the Wisconsin State Assembly passed a bill legalizing the use of medical marijuana for certain patients with debilitating medical conditions. However, the bill was never signed into law due to opposition from the state's governor at the time.