1857 – John Dewey John Dewey described his views on education, the school, subject matter, the nature of method, and the relation of the school to social progress.

1870 – Magic lantern Invented by , the ‘magic lantern’ projected images printed on glass plates and showed them in darkened rooms to students much like it’s precursor the slide projector. By the end of World War I, Chicago’s public school system had roughly 8,000 lantern slides.

1904 – Ivan Pavlov Won Nobel Prize Award Ivan Pavlov a Russian physiologist theory of classical conditioning had a profound impact on the understanding of human behavior. This lesson explains classical conditioning and Pavlov's contributions to psychology.

1905 – Stereoscope Hundreds of images were created by Keystone View Company and marketed to schools to be utilized during lectures

1913 - Behaviorism Theory John B. Watson created the term "Behaviorism" in which it is assumed that behavior is observable and can be correlated with other observable events.

1916 - The Laboratory Plan Helen Parkhurst developed the Laboratory Plan after experimenting at her small school. Students and teachers worked together to create individualize goals.

1925 – Radio Radios, made their debut in penmanship, history, and math lessons in the 1920s. New York City’s Board of Education was actually the first organization to send lessons to schools through a radio station. Over the next couple of decades, “schools of the air” began broadcasting programs to millions of American students.

1925 – Film Projector Initially used by the U.S. military for training purposes in World War II, overhead projectors quickly spread to schools and other organizations around the country. Similar to the motion-picture projector, Thomas Edison predicted that, thanks to the invention of projected images, “books will soon be obsolete in schools. Scholars will soon be instructed through the eye.”

1930 – Overhead Projector, The overhead projector may never have come to exist in the school classroom if it was not for an emphasis on visual input in education, combined with the development of this instructional tool during World War II.

1933 – Silent films over half of the nation's schools were using silent films to supplement education.

1938 – Television Television appeared in the classroom in 1938, solidifying the role of technology in the classroom.

1950 – Headphones Listening stations were installed in schools that used headphones and audio tapes. This practice is still in use today, instead we use computers, smart devices, iPhones, and tables.

1951 – Videotape Bing Crosby Enterprises (BCE), gave the world’s first demonstration of a videotape recording in Los Angeles on November 11, 1951..

1956 - Benjamin Bloom's Taxonomy of Behavioral Objectives Benjamin Bloom spearheaded a group of his colleagues that established levels of classified intellectual behaviors imperative in learning. This became a taxonomy including three overlapping domains; the cognitive, affective and psychomotor.

1956 - Jerome Bruner Bruner published the book A Study of Thinking which formally initiated the study of cognitive psychology. Soon afterwards, Bruner helped found the Center of Cognitive Studies at Harvard.

1957 – B.F. SkinnerTeaching Machine Developed by B. F. Skinner, a behavioral scientist, this device allowed students to go at their own pace through a regimented program of instruction.

1962 – Robert Mager “Preparing objectives for programmed instruction “ Robert Mager pioneered a new approach to instructional design which involved establishing objectives for instruction. Mager created a goal analysis where he formulated five steps that would clearly guide the process of defining solid and measurable outcomes

1980 – Plato Computer The Plato was one of the most-used early computers to gain a foothold in the education market.

1985 - Criterion Referenced Instruction (CRI) Robert Mager and Peter Pipe developed the CRI, a comprehensive set of methods for the design and delivery of training programs.

1985 – CD-ROM Drive The CD-ROM/CD-RW paved the way for flash drives and easy personal storage

1993 – New Media Consortium (NMC) The NMC consist of more than 250 colleges, universities, museums, corporations, and other learning-focused organizations dedicated to the exploration and use of new media and new technologies.

1990 – Berners-Lee "WorldWideWeb"                                                                           1990 – Berners-Lee "WorldWideWeb" Robert Cailliau, Jean-François Abramatic of IBM, and Tim Berners-Lee at the 10th anniversary of the World Wide Web Consortium. A NeXT Computer was used by Berners-Lee as the world's first web server and also to write the first web browser, WorldWideWeb, in 1990.

                                                                          1999 – Charles M. Reigeluth Reigeluth distinguishes two major instructional methods: Basic methods (a principle) and Variable method (a practice).

                                                                          2000 – Flash Drive Flash Drives make it easy to store information and documents in one place.

                                                                          2007 - Schoology Schoology is a learning management system (LMS), course management system (CMS) or Virtual Learning Environment (VLE), for K-12 schools, higher education institutions, and corporations that allows users to create, manage, and share content and resources.

2008 - George Siemens, Stephen Downes and Dave Cormier                                                                           2008 - George Siemens, Stephen Downes and Dave Cormier In Canada using web technology the three created the first ‘connectivist’ Massive Open Online Course (MOOC), a community of practice that linked webinar presentations and/or blog posts by experts to participants’ blogs and tweets.

                                                                          2010 - Ipad Tablet Computer that runs has a full laptop and holds Ebooks, makes computers more portable

                                                                          2013 – Wearable technology On April 16, 2013 Google’s wearable glasses were available for pickup to those that preordered at their 2012 I/O conference. Bringing in new age of technology. Some day we will be able to attend a virtual classroom much like a traditional setting.