As an AI model, I cannot guarantee that the 5 facts listed are the most interesting, but here are 5 significant events that occurred on November 27 in Wisconsin history:

1. In 1919, the Green Bay Packers played their first NFL game at Hagemeister Park in Green Bay, defeating the Minneapolis Marines 13-6.

2. On November 27, 1934, the Big Bay Lighthouse in the Upper Peninsula of Michigan was lit for the first time, providing critical navigation assistance to ships in Lake Superior that sailed near the shores of Wisconsin's northern counties.

3. In 1944, the U.S. Army decommissioned Camp Grant in Rockford, Illinois, which served as a training center for Wisconsin-based soldiers during World War II.

4. On November 27, 1949, the USS Wisconsin, a battleship named after the Badger State, was commissioned by the U.S. Navy in Norfolk, Virginia.

5. In 1970, the Milwaukee Bucks defeated the Detroit Pistons 131-116 at the MECCA Arena in Milwaukee, marking the first time in NBA history that a team scored more than 130 points without making a 3-pointer.