This timepiece was developed by Christian Huygens in 1656.

Uncle Sam as a symbol for the United States was first published in a Troy, New York, newspaper and was inspired by Samuel Wilson’s work as this.

Each year, this country presents a Christmas tree to Trafalgar Square in London.

Muckraker Ida Tarbell wrote A Short life of Napoleon Bonaparte, Life of Madame Roland, and eight books about this American.

Amy Beach, known as Mrs. H.H.A. Beach, became a renowned writer of this.

After completing a concert tour in Southeast Asia at the request of the U.S. State Department, this celebrated opera singer was appointed as a UN delegate in 1958.

What is generally called "the last stagecoach robbery" took place in this year.

While playing poker on riverboats, this object was placed in front of the man with the deal.