Some interesting parts:

Sep 1947: ACM first meeting

Jan 1948: John von Neumann's thoughts on high-level languages(FORTRAN)

Oct 1957: Students' reaction to computerized registration

1 Oct 1969: First ARPANET transmission

1 May 1978: First spam email

12 Aug 1981: 16-bit IBM PC

1985-1989: Supercomputers made from Radio Shack parts

1993: The era of the search engine begins

1994-95: Windows and the Web take over. The diverse, rich, idiosyncratic history of computing stops here