A Brief History of Educational Technology By divaone50 May 16, 1925 The first educational radio programs Period: May 16, 1930 to May 16, 1980 Educational sixteen-millimeter film used May 16, 1955 Educational Television First Introduced May 16, 1970 Audio-conferencing started May 16, 1985 The first Internet-based courses appeared Period: May 16, 1995 to May 16, 2014 World Wide Web used for online learning