Royal Greenwich Observatory was established in 1675 by order of Charles II. The building has significant historical and scientific connections. Today’s Prime Meridian goes through the property. Greenwich Mean Time was calculated there until 1954. Today the building is a tourist attraction.
Doughnut was invented in 1847. According to legend, Elizabeth Gregory made the first doughnuts with nuts in the middle. Her son, sea captain Hanson Gregory, cut out the center with a round pepper tin. Now about ten billion doughnuts are consumed in the United States each year.
V-Mail (Victory Mail) began in 1942 as World War II brought many soldiers overseas. To conserve space on transport planes, letters were opened and photographed. A roll of film held 1,600 letters. The film was mailed overseas, and the letters were printed. The process ceased November 1, 1945, when the war ended. Older children could learn more at: http://postalmuseum.si.edu/victorymail/
Dan Brown (born Exeter, New Hampshire, 1964) is a novelist. His books include The Da Vinci Code and Inferno. Young adults can visit his website at: http://www.danbrown.com/.
Margaret Sidney (born New Haven, Connecticut, 1844; died August 2, 1924) wrote books for children. She is most famous for her Five Little Peppers series. Children can learn more at: http://www.bookologymagazine.com/resources/authors-emeritus/sidney-margaret/. They can read many of her books, including Five Little Peppers, at: https://www.gutenberg.org/.