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
White House Hanukkah Party of all men". Jimmy Carter was the first president who officially recognized Hanukkah, when in 1979 he walked from the White House to Lafayette Park to deliver brief remarks as he lit the new National Menorah erected by the Jewish group, Chabad-Lubavitch. Based on his sensitivity to Hanukkah, his next annual Christmas message was carefully worded, with greetings "to those of our fellow citizens who join us in the joyous celebration of Christmas". Since then, every president has participated in a menorah-lighting ceremony to recognize Hanukkah, and directed the Christmas message to those citizens who celebrate that holiday. Joshua Eli