1. Michigan Becomes a State: On July 9, 1805, the Michigan Territory officially became a state, marking a significant moment in the history of the region. This event also established Michigan as one of the original 13 states in the United States.

2. Michigan Central Railroad Is Established: On July 9, 1832, the Michigan Central Railroad was established, connecting the cities of Detroit and St. Joseph. This was a major milestone in the transportation of goods and people throughout the state.

3. The Upper Peninsula Joins Michigan: On July 9, 1836, the Upper Peninsula of Michigan was formally transferred from the territory of Wisconsin to Michigan. This addition doubled the size of the state and marked it as one of the largest states in the United States.

4. The Battle of Monocacy Takes Place: On July 9, 1864, the Battle of Monocacy took place in Maryland, which included the participation of the 24th Michigan Infantry. This battle was a significant event in the American Civil War that saw the Union army attempt to delay the Confederate army's advances towards Washington, D.C.

5. Detroit Tigers Win the 1940 World Series: On July 9, 1940, the Detroit Tigers won their fourth World Series championship, defeating Cincinnati in a dramatic seven-game series. This victory remains one of the most memorable moments in the franchise's history and a major milestone in the sports history of Michigan.