- June 12, 1928 – Voters in Dearborn, Fordson and part of Dearborn Township vote to consolidate into today’s City of Dearborn.
- January 9, 1929 – Clyde Ford elected as first mayor of Dearborn.
- 1929 – Henry Ford Museum and Greenfield Village opens.
- July 1, 1931 – Dearborn Inn opens as one of the first airport hotels in world.
- March 7, 1932 – Ford Hunger March crosses Dearborn city limits. Four marchers are shot to death by police and Ford service men.
- 1936 – John Carey becomes mayor of Dearborn.
- June 19, 1936 – Montgomery Ward opens in East Dearborn.
- May 26, 1937 – Harry Bennett’s Ford “service” men beat United Auto Workers (UAW) official Richard Frankensteen in the Battle of the Overpass
- June 21, 1941 – Ford Motor Company signs its first union contract after long strike at the company.
- 1939 – The Historic Springwells Park Neighborhood is established by Edsel B. Ford to provide company executives and auto workers with upscale housing accommodations.
- January 6, 1942 – Orville L. Hubbard takes office as mayor of Dearborn for first time.
- April 7, 1947 – Henry Ford dies.
- October 20, 1947 – Dearborn City Council approves purchase of land near Milford, Michigan for what would become Camp Dearborn. First section of camp opens following year.
- October 21, 1947 – Ford Airport officially closes. The site is now used by Ford as the Dearborn Development Center.
- 1950 – Dearborn Historical Museum Commandant’s Quarters building opens to the public.
- January 1953 – Oakwood Hospital formally opened and dedicated.
- April 22, 1958 – Election held to annex part of South Dearborn Township to Dearborn. Proposal fails.
- 1959 – University of Michigan (Dearborn Campus) opens.
- April 6, 1959 – Election held to annex part of North Dearborn Township to Dearborn. Proposal fails.
- 1962 – St. Joseph’s retreat closed and was razed
- 1962 – New Henry Ford Community College campus dedicated. The school is now known as Henry Ford College.
- November 9, 1962 – Ford Rotunda burns down
- April 8, 1963 – Unannexed sections of Dearborn Township incorporated as the city of Dearborn Heights.
- 1967 – Dearborn Towers in Clearwater, Florida opens.
- March 2, 1976 – Fairlane Town Center, Dearborn’s first shopping mall, opens.
- 1978 – John B. O’ Reilly, Sr. becomes mayor of Dearborn
- December 16, 1982 – Orville Hubbard dies.
- 1986 – Michael Guido becomes mayor of Dearborn.
- 2006 – Michael Guido dies at the age of 52 during his 6th term, the only mayor to die in office.
- 2006 – John B. O’Reilly, Jr. becomes temporary Mayor. O’Reilly’s father was the mayor who had preceded Mayor Guido.
- 2007 – John B. O’Reilly, Jr. is elected mayor of Dearborn winning 93.97% of the vote.
- 2008 – John B. O’Reilly, Sr. dies at the age of 89; he was Mayor of Dearborn (1978–1985) and also served as Chief of Police for 11 years.
Source: https://thedhm.com/dearborn-timeline/