Today is 13th May, 09 and here’s what happened today in tech…

1 – 1913 1st 4 engine aircraft built and flown (Igor Sikorsky-Russia).

2 - 1949 1st British-produced jet bomber, Canberra, makes its 1st test flight.

3 - 1960 1st launch of Delta satellite launching vehicle; it failed.

4 - 1991 Apple releases Macintosh System 7.0.