12th century

The following events occurred in the 12th century:
 * Wizards learn the concept of bartering for services, and hence the overall quality of products such as broomsticks begins to increase.
 * Goodwin Kneen writes a letter to his cousin Olaf describing an early form of the game "Kwidditch".
 * A tapestry of a group of Snidget-hunters, today in the Museum of Quidditch, is sewn.

Decades

 * 1100s
 * 1110s
 * 1120s
 * 1130s
 * 1140s
 * 1150s
 * 1160s
 * 1170s
 * 1180s
 * 1190s