Mich. Comp. Laws § 435.342

Sec. 2. In recognition of the men and women who served in the United States armed forces, specifically the United States army, the United States navy, the United States marines, the United States air force, and the United States coast guard, the dates of founding of each branch shall be commemorated. The commemoration dates shall include all of the following: (a) The United States army is commemorated on June 14. (b) The United States coast guard is commemorated on August 4. (c) The United States air force is commemorated on September 18. (d) The United States navy is commemorated on October 13. (e) The United States marine corps is commemorated on November 10.