The University of Cambridge is celebrating its 800th birthday this year, and so all around the town are banners like this one:
The obvious question, of course, is what is the significance of those dates? The 1209 and 2009 dates are obvious. And to find out about the others, the obvious place to look is the website at the bottom of the banner, which has a handy timeline. The problem is that although the timeline includes no fewer than 80 different years between 1209 and 2009 (not including the ones at both ends), only one of them coincides with the seven in-between years on the banner: 1446, which marks the founding of King’s College. So what are the others?