On December 15, 1864, Union forces launched the decisive Battle of Nashville, delivering one of the most crushing Union victories of the Civil War. The battle ended the last major Confederate offensive in the West and broke the already-weakened Army of Tennessee beyond repair.
Margaret Madeline Chase Smith was born on December 14, 1897, in Skowhegan, Maine. A trailblazing legislator, she was the first woman to serve in both houses of Congress and was one of the longest-serving female US senators.
World War I hero Alvin Cullum York was born on December 13, 1887, in Pall Mall, Tennessee. One of America’s most decorated soldiers of World War I, York earned the Medal of Honor and Distinguished Service Cross, among others.
A quarter-century after the Wright brothers first left the ground at Kitty Hawk, the world’s aviation leaders gathered in Washington, DC, to decide just how far—and how fast—human flight could go next. On December 12, 1928, the International Civil Aeronautics Conference opened with a bold mission: to celebrate the past, assess the present, and imagine a future where airplanes would shrink oceans, reshape economies, and bring nations closer together.
On December 11, 1946, the United Nations created UNICEF, originally known as the United Nations International Children’s Emergency Fund. The world was still reeling from the destruction of World War II, and millions of children were suffering from hunger, disease, and homelessness. UNICEF was founded to bring relief to these young victims and to ensure that the world did not overlook its most vulnerable population during the long road to recovery.
On December 10, 1901—exactly five years after the death of Alfred Nobel—the world witnessed something entirely new: a set of international awards created to honor people whose work advanced humanity itself. These first Nobel Prizes were not just a tribute to achievement; they were the fulfillment of a very unusual final wish.
On December 9, 1962, Petrified Forest National Park was officially established, upgrading an already protected landscape into a full national park. The designation ensured stronger protection for its fossil-rich badlands, archaeological sites, and striking deposits of petrified wood, and it marked a major milestone in decades of preservation efforts.
On December 8, 1831, the man who shaped one of the most iconic buildings in American history—James Hoban—died in Washington, DC. Although his name isn’t as well known as the presidents who lived in his masterpiece, Hoban’s work left a permanent mark on the nation. As the architect of the White House, he helped design not only a home for America’s leaders but also a symbol of the country’s identity. His life story stretches from rural Ireland to the heart of the young United States, where his talent built the setting for generations of American history.
On December 7, 1787, Delaware was the first state to ratify the U.S. Constitution, making it America’s first state. But its quick decision wasn’t just a race to the finish—it marked the beginning of a new national identity, driven by bold choices, fierce debates, and a vote that helped shape the country we know today.