1981: Michigan Supreme Court allows Detroit to demolish up to 1,500 homes, more than 140 businesses, a hospital and 6 churches in Poletown neighborhood for construction of Detroit-Hamtramck Assembly. Former Dodge Main plant is demolished on Hamtramck side of site.

1985: Production begins. Vehicles built in plant's first 25 years include the Cadillac Seville, Eldorado and DeVille; Buick Riviera, LeSabre and Lucerne; and Oldsmobile Toronado.

2010: Chevy Volt production begins

2013: Chevy Impala production begins

2015: Cadillac CT6 production begins

2016: Buick LaCrosse production begins

March 2017: GM eliminates second shift

November 2018: GM "unallocates" D-Ham, Lordstown Assembly, Oshawa Assembly and transmission plants in Michigan and Maryland

February 2019: GM postpones end of production from June 2019 to January 2020

March 2019: Volt, LaCrosse production end

October 2019: UAW ratifies contract that keeps D-Ham open with $3 billion investment

January 2020: CT6 production to end

February 2020: Impala production to end

2021: Electric pickup, van production to begin

2023: Electric GMC Sierra, Cadillac Escalade production to begin

Source: GM, LMC Automotive, Automotive News research