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 both suffered severe depression afterward, which likely affected Pierce's performance as president. Jane would avoid social functions for much of her first two years as First Lady, making her public debut in that role to great sympathy at the public reception held at the White House on New Year's Day, 1855. Jane remained in New Hampshire as Pierce departed for his inauguration, which she did not attend. Pierce, the youngest man to be elected president to that point, chose to affirm his oath of office on a law book rather than swear it on a Bible, as all his predecessors