They were used by various ancient cultures all over the world since around 9000 BC and began to develop into logographic writing systems around 5000 BC.

What is ideogram in history?

An ideogram or ideograph (from Greek ἰδέα idéa "idea" and γράφω gráphō "to write") is a graphic symbol that represents an idea or concept, independent of any particular language, and specific words or phrases.

Who invented the first pictogram?

Pictographic writing as a modernist poetic technique is credited to Ezra Pound, though French surrealists credit the Pacific Northwest American Indians of Alaska who introduced writing, via totem poles, to North America.