The Harappan language, also known as the Indus Script, was the primary language used in the Indus Valley Civilization, which flourished in the Indian subcontinent around 2500-1900 BCE.

Hieroglyphics, a complex system of writing using pictorial symbols, was the primary writing system of ancient Egypt from around 3000 BCE until the 4th century CE.

Sumerian, one of the world's earliest written languages, was spoken by the ancient Sumerians in Mesopotamia (modern-day Iraq) from around 3500-2000 BCE.

Maya glyphs, a complex system of writing using logographic and syllabic symbols, was used by the ancient Maya civilization in Mesoamerica from around 2000 BCE to 1521 CE.

Ge'ez, an ancient Semitic language, was the official language of the Aksumite Kingdom in Ethiopia from around the 1st century CE until the 10th century CE.

The Indus Script, also known as the Harappan Script, was the writing system used in the Indus Valley Civilization from around 2500-1900 BCE. It remains largely undeciphered to this day.

Hittite, an Indo-European language, was spoken by the Hittites, an ancient civilization that ruled parts of Anatolia (modern-day Turkey) from around 1600-1200 BCE.

The Olmec script, also known as the Epi-Olmec script, was a writing system used by the Olmec civilization in Mesoamerica from around 600-400 BCE. It remains largely undeciphered.

Akkadian, a Semitic language, was the primary language of the ancient Babylonians, who ruled Mesopotamia (modern-day Iraq) from around 1800-539 BCE.

The Ge'ez script, also known as Ethiopic script, was the writing system used in the Kingdom of Aksum and later in Ethiopia from around the 4th century CE to the present day.

Assyrian, a Semitic language closely related to Akkadian, was spoken by the ancient Assyrians, who ruled Mesopotamia (modern-day Iraq) from around 1365-612 BCE.

The Zapotec script, also known as the Isthmian script, was a writing system used by the Zapotec civilization in Mesoamerica from around 500 BCE to 900 CE.

Egyptian, an Afro-Asiatic language, was spoken by the ancient Egyptians from around 3000 BCE until the 7th century CE. It had several stages of development, including Old Egyptian, Middle Egyptian, and Late Egyptian.

The Indus Script, also known as the Harappan Script, was the writing system used in the Indus Valley Civilization from around 2500-1900 BCE. It remains largely undeciphered to this day.

Nahuatl, an Uto-Aztecan language, was the primary language of the Aztec Empire in Mesoamerica from around 1300-1521 CE. It is still spoken by some indigenous communities in Mexico and Central America.