At the Julius Sturgis Pretzel Bakery, bread is historic, salted, and loopy. The establishment is the first commercial pretzel bakery in the United States. And it just so happens that the Sturgis family is the oldest pretzel baking family in the country, as well. In 1861, German immigrant Julius Sturgis was a spry 26 when he purchased a stone house at 219 E. Main Street in the little town of Lititz. The building, which dates to 1784, soon became both the Sturgis family home and their bakery. There, Julius twisted…