The Zuid-west Nederland / Antwerpen graticule is at latitude 51, longitude 4. It contains the cities of Antwerpen, Bergen op Zoom, Breda, Dordrecht, Roosendaal en Rotterdam.
For the latest location, we could use this Geohashing ATOM feed. And then plot that into Google maps.
Random but interesting dates
2008-05-20 51 4 was in a stretch of farm land just south of Zevenbergen, The Netherlands.
2008-05-21 51 4 was near a river or canal near Herentals, Belgium.
Notable Dates
None yet
People
MadJo is currently one of the maintainers here.