I just notice that in exactly a week's time (23.6.2008) it will be 301 years ago that John Mill died, which also fell on a Monday. This Principal of Edmund Hall, Oxford, had just lived to see his Novum Testamentum. Cum lectionibus variantibus complete in print a couple of weeks before.
Which leads to the natural question, What are your favourite dates in Textual Scholarship? [Birthdays of spouses, submission of dissertations, first job, and comparable trivia are not permitted]