1954 – The first mass inoculation of children against polio with the Salk vaccine begins. <br />http://en.wikipedia.org/wiki/Poliomyelitis <br />https://www.youtube.com/watch?v=3GXddGT8AKk <br /> <br />1945 – World War II: During the Battle of Iwo Jima, a group of United States Marines and a commonly forgotten U.S. Navy Corpsman, reach the top of Mount Suribachi on the island and are photographed raising the American flag. <br />http://en.wikipedia.org/wiki/Battle_of_Iwo_Jima <br />https://www.youtube.com/watch?v=pneTPAPVLFY <br />https://www.youtube.com/watch?v=AaJQkEEnGBo <br />https://www.youtube.com/watch?v=vHeB4dwNn7Q <br />https://www.youtube.com/watch?v=FuEFTqzCFg0 <br />https://www.youtube.com/watch?v=QG1PvQHCTPI <br /> <br />1455 – Traditional date for the publication of the Gutenberg Bible, the first Western book printed with movable type. <br />http://en.wikipedia.org/wiki/Gutenberg_Bible <br />https://www.youtube.com/watch?v=5woYLVaF6uE <br />https://www.youtube.com/watch?v=g_MIkXORM0Q <br /> <br />1850 – César Ritz, Swiss businessman, founded The Ritz London Hotel and Hôtel Ritz Paris is born. (d. 1918) <br />http://en.wikipedia.org/wiki/C%C3%A9sar_Ritz <br />https://www.youtube.com/watch?v=D5DfoioiuLI <br /> <br />Produced by Meiqi AN
