yes they did.
cuneiform
Around 4000 BC, but it's up for debate. To be clear, Sumerians were not the first people to develop a form of writing. It's clear now that the Phoenicians developed writing before they did, and more recently it's evident that that was an off-shoot of Old South Arabian.
The Sumerians of Mesopotamia, they developed cuneiform. They also invented the wheel and a number system based on 60.
Cuneiform
cuneiform
what form of writing did the Sumerians invent
Cuneiform was first developed in Sumer (Mesopotamia) - and is estimated to have began sometime in the 30th century BC.
Launguage is a key part to a civilization so the need to communicate was propably what led to the formation of a language.
The Sumerians were the first to use a writing system in history. It was called cuneiform (meaning wedge-shaped signs).
SUMERIANS!
The Sumerians developed a form of pictograph.
The form of writing used by the Sumerians is called cuneiform.