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30,000 BCE
Prehistoric Times
Cave paintings and petroglyphs are among the earliest forms of visual communication, dating back to around 30,000 BCE.
Early humans use gestures, grunts, and facial expressions for basic communication. -
3500 BCE
Sumerians in Mesopotamia develop
Sumerians in Mesopotamia develop the first known form of writing, cuneiform, using wedge-shaped symbols on clay tablets. -
3100 BCE
Ancient Egyptians develop
Ancient Egyptians develop hieroglyphics, a complex system of pictorial writing on papyrus scrolls and temple walls. -
1500 BCE
Phoenicians develop the first alphabet
Phoenicians develop the first alphabet, consisting of 22 consonantal letters, which later evolves into the Greek and Latin alphabets. -
776 BCE
The ancient Olympic Games in Greec
The ancient Olympic Games in Greece become a major gathering for communication and exchange of ideas among Greek city-states. -
589 BCE
Athenian democracy emerges
Athenian democracy emerges, fostering public speaking and debate in the Agora, marketplace, and political assemblies. -
1440
invents the printing press
Johannes Gutenberg invents the printing press in Europe, revolutionizing the mass production of books and spreading literacy. -
first practical optical telegraph system
Claude Chappe develops the first practical optical telegraph system in France, using a series of semaphore towers to relay messages over long distances. -
invents the electric telegraph
Samuel Morse invents the electric telegraph, enabling rapid long-distance communication through Morse code.