fun beer facts #1 About 4000 years ago, it was the accepted practice in Babylonia that for a month after the wedding, the bride's father would supply his son-in-law with all the mead he could drink. Mead is a honey beer, and because their calender was lunar based, this period was called the "honey month" or what we know to day as the "Honey moon" fun beer facts #2 Before invention of the thermometer, brewers used to check the temperature by dipping their thumb, to find whether appropriate for adding Yeast. Too hot, the yeast would die. This is where we get the phrase " The Rule of the Thumb" fun beer facts #3 In English pubs, ale is ordered by pints and quarts. So in old England, when customers got unruly, t he bartender used to yell at them to mind their own pints and quarts and settle down. From where we get "mind your own P's and Q's". last but not least fun facts of beer #4 Long ago in England, pub frequenters had a whistle baked into the rim of their beer mugs or ceremic/glass cups. The whistle was used to order services. Thus we get the phrase, "wet your whistle".