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Hieroglyphics in Egypt: Early form of written communication. -
Cave paintings and petroglyphs: Early forms of visual communication. -
Greek and Roman communication networks: Development of postal systems and messenger services. -
Printing press: Invention by Johannes Gutenberg revolutionizes mass communication. -
Telegraph: Samuel Morse develops Morse code, enabling long-distance communication. -
Radio: Marconi's wireless telegraphy paves the way for broadcast communication.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.