In 1637 the Dutch government brought an end to, for 10 points, what period of speculation on bulbs of a certain flower?
Jan Bruegel portrayed the people involved in this event as monkeys.  Resulting from an expedition by Conrad Guestner in 1559, a similar event occurred in the Ottoman Empire until Ahmed III.  An example of 'windhandel', the Carolus Clusius and his assistant Cluyt began it at the "hortus" at the University of Leiden.  One of the Brasserie type was exchanged for a French brewery and tavern owner Wouter Winkel made his children wealthy by leaving them a flowerbed full of them.  In 1637 the Dutch government brought an end to, for 10 points, what period of speculation on bulbs of a certain flower?
Jan Bruegel portrayed the people involved in this event as monkeys.  
Tulipmania or Craze or Madness or Tulpenwoede