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Indus Valley settlements built grid-pattern streets and covered urban sewers by 2600 BCE. The figure is taken from UNESCO World Heritage Centre, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Yes. It sits on the History shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Harappan cities featured advanced brick drainage networks

Indus Valley settlements built grid-pattern streets and covered urban sewers by 2600 BCE

Around 2600 BCE, Bronze Age cities like Mohenjo-daro and Harappa in the Indus Valley incorporated sophisticated urban planning. Homes featured private bathing areas connected to brick-lined public street drains, demonstrating an unparalleled early commitment to civic sanitation and hydraulic engineering.

Where this comes from

UNESCO World Heritage Centre

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Tags: indus valley, archaeology, sanitation

Harappan cities featured advanced brick drainage networks: the short answers

Where does this come from, and can I check it?: Indus Valley settlements built grid-pattern streets and covered urban sewers by 2600 BCE. The figure is taken from UNESCO World Heritage Centre, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a history fact?: Yes. It sits on the History shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.