Microsoft announces the immediate availability of MS-DOS 5.0.
Source: https://learn.microsoft.com/en-us/shows/history/history-of-microsoft-1991
ID: msdos-50
Compaq acquires Digital Equipment Corporation, ending DEC's independence as a computer manufacturer.
Source: https://www.ftc.gov/sites/default/files/documents/cases/2000/02/digitalorder.htm
ID: dec-compaq-acquisition