Washington Monument was completed in 1884. The monument’s cornerstone was laid on July 4, 1848, and building began. However, lack of funding and the Civil War stopped work. Then President Ulysses Grant started construction again. It was completed on this day in 1884 and dedicated in 1885. Children can learn more at: Washington Monument.
World Standard Time was accomplished in 1884. The International Meridian Conference met in Washington, DC. The group established the Prime Meridian through Greenwich and established 24 time zones. Prior to that conference, different countries used different times. In the United States, different railroads used different time systems. It was all very confusing! Children can find the time in different cities world wide at: World Clock.