Happy Saint Patrick’s Day

Did you know that Saint Patrick is considered the Patron Saint of Engineers? Here’s why:

• He introduced the use of lime as mortar in Ireland
  
• He was responsible for the initial construction of clay churches in Ireland
  
• He taught the Irish to build arches of lime mortar, instead of dry masonry
  

Learn more little-known facts about St. Patrick with this “Bet You Didn’t Know” video from the History Channel. Happy Saint Patrick’s Day!

---