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
1856 State of the Union Address popular freedom, has distinguished and characterized the people of America." He also stated, "In the long series of acts of indirect aggression, the first was the strenuous agitation by citizens of the Northern States, in Congress and out of it, of the question of Negro emancipation in the Southern States." President Pierce supported the Kansas-Nebraska act. This neutralized the issue of slavery in the central states, and did not say whether to allow it or not. 1856 State of the Union Address The 1856 State of the Union Address was given by Franklin Pierce, the 14th President of the United