1. The Gettysburg Address was delivered on November 19, 1863, in Pennsylvania, but November 26 is the date that President Abraham Lincoln issued a proclamation officially declaring it a national holiday. Today, people across the country celebrate November 26 as Thanksgiving Day.

2. On November 26, 1789, Pennsylvania became the second state to ratify the U.S. Constitution, just after Delaware. This critical event helped to secure the stability and coherence of the newly-formed United States of America.

3. John Mitchell, a prominent geographer, was born on November 26, 1711. Mitchell immigrated to Pennsylvania, where he became known for creating maps of the American colonies and for writing a history of the French and Indian War.

4. On this day in 1922, the first U.S. coast-to-coast radio broadcast was transmitted from New York to San Francisco. Some of the earliest radio broadcasts in the country were transmitted from Pennsylvania, which was home to a number of radio stations in the 1920s.

5. The infamous "Battle of the Bulge" began on December 16, 1944, but the key strategic operations that led up to the battle began on November 26, when U.S. forces were ordered to secure the town of St. Vith in eastern Belgium. The fighting in this key transportation hub was fierce, but ultimately U.S. forces were able to hold back the German advance and prevent a breakthrough into France.