1944 – The Colossus Mark 2 was put into service at Bletchley Park in Great Britain, just in time for the invasion at Normandy. http://books.google.com/books?id=gfL4ky-TQOMC&pg=PA80&lpg=PA80&dq=june+1+1944+colossus&source=bl&ots=LZ3i_tbzIt&sig=8RKO7B38Hpxplje8ydxyToLLB8E&hl=en&sa=X&ei=mr6iT5WVLuqciALEgaWMBw&ved=0CDgQ6AEwAw
1999 – The Windows version of music-sharing program Napster was released. http://www.oldapps.com/napster.php
Read Tom’s science fiction and other fiction books at Merritt’s Books site.