LEGO Miscellaneous: Brick Calendar (40172) for sale online | eBay
LEGO® Iconic Brick Calendar 40172 | Other | Buy online at the Official LEGO® Shop US
BrisBricks - Today is a very special day on the LEGO calendar. Godtfred Kirk Christiansen, the son of the Danish founder of LEGO, patented the famous eight-stud 2x4 brick on this day