See : http://en.wikipedia.org/wiki/Baldwin_I,_Count_of_Flanders and the more detailed http://nl.wikipedia.org/wiki/Boudewijn_I_van_Vlaanderen.
How have I been able to live a full 68 years ignoring this important day in Flemish history ?
A couple of musings :
- at the present time, we have dozens of politicians who act as if they were counts of Flanders ; we even have a couple of candidate kings. The smaller their following, the bigger their ambition ;
- many things have changed, but one thing most certainly has not : ambitious young upstarts still try to marry into "good" or rich families. Marrying a good party remains the easiest way to lead a comfortable life without too much strife ...