World Plumbing Day The History of Plumbing 27 Historical Events that Shaped Modern Plumbing Systems  Ancient Plumbing (5 min): See how civilizations throughout history have designed and managed their plumbing and waste disposal systems. Registered Dietitian Day What is a registered dietitian and how do you become one? No Smoking Day Ideas and resources for quitting Need a reason to quit? Here's 97 reasons! How much damage can you undo – if you stopped smoking right now? Johnny Appleseed Day This day is observed two days a year.  The other date is September 26, when John Chapman, aka Appleseed, was born. This date is speculated to be the date of his death. The Real Johnny Appleseed Brought Apples—and Booze—to the American Frontier Find the nearest Johnny Appleseed Festival near you Worship of Tools Day The 20 Most Important Tools Ever The History of Hardware Tools The History of Power Tools