1959 : Detroit Integrates Police Patrol Car Crews 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: January 28, 2023 all-day Repeats 2023-01-28T00:00:00-05:00 2023-01-29T00:00:00-05:00 On January 28, 1959, Detroit police patrol car crews were racially integrated for the first time. Source : Detroit Historical Society of Michigan