Cuneiform, developed in ancient Mesopotamia, is the oldest known writing system, dating back to around 3500 BC.

Hieroglyphics is the ancient Egyptian writing system that used a combination of logographic, syllabic, and alphabetic characters.

The cuneiform writing system was developed by the ancient Mesopotamians, who lived in the region between the Tigris and Euphrates rivers.

Hanzi is the ancient Chinese writing system that uses characters to represent words and ideas.

The Mayan writing system was developed by the ancient Mayans, who lived in Mesoamerica.

The Indus Script is the ancient writing system that was used in the Indus Valley Civilization.

The Linear A and Linear B writing systems were developed by the ancient Minoans, who lived on the island of Crete.

The Ge'ez Script is the ancient writing system that was used in the Kingdom of Aksum.

The Rongo-rongo writing system was developed by the ancient Rapa Nui people, who lived on Easter Island.

The Idu writing system was used in the Kingdom of Silla, one of the Three Kingdoms of Korea.

The Proto-Sinaitic writing system was developed by the ancient Canaanites, who lived in the region of Canaan.

The Meroitic Script was the ancient writing system that was used in the Kingdom of Nubia.

The Old Persian cuneiform writing system was developed by the ancient Persians.

The Khmer Script is the ancient writing system that was used in the Kingdom of Khmer.

The Ugaritic cuneiform writing system was developed by the ancient Ugarits, who lived in the city of Ugarit.