By Erin Carlson MastThis is the 2nd installment of “100 Things to Know about President Lincoln’s Cottage.” Today’s list focuses on architectural history. The previous list of 10 addressed basic information about the site. 1. The Cottage is an authentic historic home with an incredible wealth of surviving fabric. Visitors get to walk the rooms, touch the banister, and peer through the very same windows that Lincoln knew. 2. The Cottage was built between 1842-1843 for George Washington Riggs, who then sold his estate to the federal government in 1851.