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Prehistoric symbols in Germany may rewrite history of writing
Archaeologists have uncovered evidence suggesting that humans may have begun recording thoughts and messages up to 45,000 years ago-far earlier than the previously accepted timeline of 5,000 years. The discovery, made in caves across Germany, challenges long-held assumptions about the origins of written communication.
The discovery
A team of researchers identified meaningful patterns in engravings on ancient objects, including mammoth tusks, found in German caves. The symbols-comprising lines, notches, dots, and crosses-date back to a period just before Homo sapiens migrated from Africa to Europe, where they encountered Neanderthals.
The precise significance of these markings remains unknown, but their existence suggests that Stone Age humans possessed cognitive abilities comparable to those of modern humans, according to the study's authors.
Challenging traditional timelines
Until now, historians have traced the earliest forms of writing to proto-cuneiform scripts developed in Mesopotamia around 3,000 BCE. This was followed by the emergence of hieroglyphics in Egypt and later in China and Mesoamerica. The new findings, however, indicate that symbolic communication may have existed tens of thousands of years earlier.
"The Stone Age sign sequences represent an early alternative to writing," said Prof. Christian Bentz of Saarland University, one of the researchers involved in the study. The team analyzed over 3,000 characters on 260 artifacts, describing their findings as uncovering the "DNA of writing."
Patterns of communication
The objects studied include items from the Lonetal cave system in Baden-Württemberg, southern Germany. Among them is a small mammoth carved from tusk, featuring carefully arranged rows of crosses and dots. Another artifact, known as the "adorant" from the Geißenklösterle cave in the Achtal valley, displays rows of dots and notches on an ivory plaque depicting a lion-human figure.
The researchers believe the arrangement of these marks-particularly the dots on the back of the lion-human plaque-served as a form of communication. "Our results demonstrate that the hunter-gatherers of the Paleolithic era developed a symbol system with an information density statistically comparable to the earliest proto-cuneiform tablets from Mesopotamia," Bentz explained.
The science behind the symbols
The key to interpreting these ancient markings lies in their density and repetition. The team found that the symbols exhibited high predictability in their sequences, a characteristic they describe as comparable to much later proto-cuneiform scripts. Notably, figurines displayed denser patterns than tools, suggesting that conveying information was a priority for Paleolithic people.
"They were skilled craftspeople," said Ewa Dutkiewicz, a researcher at Berlin's Museum of Prehistory and Early History. "You can tell they carried these objects with them. Many of them are perfectly sized to fit in the palm of a hand."
Implications for understanding human history
The study, published in the journal PNAS, underscores the sophistication of Stone Age societies. While the exact meanings of the symbols remain a mystery, the findings suggest that the impulse to communicate through visual symbols is deeply rooted in human history.
"So far, we've only scratched the surface of what can be found in terms of symbol sequences on a wide variety of artifacts," Dutkiewicz added. The researchers believe further analysis could reveal even more about the cognitive and cultural evolution of early humans.
