1948 : Michigan State Police Crack Down on Wild City Fliers Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: June 28, 2022 all-day Repeats 2022-06-28T00:00:00-04:00 2022-06-29T00:00:00-04:00 On June 28, 1948, nine months after they received their first airplane, the Michigan State Police began patrolling airways over Detroit to control “wild city fliers.” Source: Mich-Again’s Day.