This is a Work In progress, please let me know if you know of more accurate dates and events!

1973
April 2, John Z. DeLorean resigns from General Motors

1974
The John Z. DeLorean Corporation was established

1975
October 24, the DeLorean Motor Company (DMC) is founded

1976
October, The first Prototype DeLorean is built

1978
October, Work begins on the DeLorean factory

1979
September, the Factory is complete

1981
January 21, the first production car rolls off the line

1982
September, The DeLorean factory is closed

1983
The last of the cars were completed and auctioned off to help cover the debts owed by DMC