Singing Christmas Tree upon the location. Since then, the singing Christmas tree concept has spread to Canada, the Philippines, South Korea, Switzerland and Sri Lanka. The most attended tree takes place in Knoxville, Tennessee, with 60,000 attendees in 2007. The first Christmas trees came to the United States in the 1740s from Moravian (now part of the Czech Republic) settlers. In 1851, the first commercial tree lot in the United States was set up in New York City. President of the United States Franklin Pierce set up the first Christmas tree in the White House in 1856. Artificial trees were first developed in
Presidency of Franklin Pierce possibility of annexation during Pierce's presidency. In 1856, Congress passed the Guano Islands Act, which allowed U.S. citizens to take possession of unclaimed islands containing guano deposits. Guano, the accumulated excrement of seabirds, was valuable as a fertilizer. Long after Pierce left office, the act would be used to make claims on several territories, including the Midway Atoll. As the 1856 election approached, many Democrats spoke of replacing Pierce with Buchanan or Douglas, but Pierce retained the support of his cabinet and many others within the party, especially in the South. Buchanan, who had been outside of the country since