Horse period References Horse period African arts Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Tassili-n-Ajjer…more-schematic figures of the so-called Horse and Camel periods, made when the wheel first appeared about 3,000 years ago. Read More…more-schematic figures of the so-called Horse and Camel periods, made when the wheel first appeared about 3,000 years ago. Read More