<P> The period when a culture is written about by others , but has not developed its own writing is often known as the protohistory of the culture . By definition , there are no written records from human prehistory , so dating of prehistoric materials is crucial . Clear techniques for dating were not well - developed until the 19th century . </P>
<P> The period when a culture is written about by others , but has not developed its own writing is often known as the protohistory of the culture . By definition , there are no written records from human prehistory , so dating of prehistoric materials is crucial . Clear techniques for dating were not well - developed until the 19th century . </P>
prehistory includes the time prior to the use of writing because
prehistory includes the time prior to the use of writing because
By definition , there are no written records from human prehistory
By definition , there are no written records from human prehistory