The document traces the history and evolution of instructional design and educational technology from 1908 to 1999. Some of the key events and developments mentioned include the opening of the first school museum in 1908, the use of lantern slides and films for instruction, the establishment of the Division of Visual Instruction in 1923, the use of radio and films for instruction during World War II, the publications of Skinner and Bloom which influenced educational theory, the launch of Sputnik which increased funding for math and science education, the rise of computers and educational technology in schools during the 1980s and 1990s.