Where does this come from, and can I check it?

The 61 kilometre channel links the Aegean to the Sea of Marmara and is only a few kilometres wide. The figure is taken from NASA Earth Observatory, 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 world geography fact?

Yes. It sits on the World Geography shelf, one of 2,600 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.

Mondo Knows Facts

The Dardanelles has been a strategic waterway for millennia

The 61 kilometre channel links the Aegean to the Sea of Marmara and is only a few kilometres wide Ancient Troy sat near its southern entrance, and Persian and Greek fleets fought over the passage. Together with the Bosphorus it forms the Turkish Straits, the only sea route between the Black Sea and the Mediterranean. An international convention has governed its use since the 1930s. It sits in Mondo's world geography collection, one of 200 facts that each trace back to the reference below.

Where this comes from

NASA Earth Observatory

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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More facts like this

Istanbul has carried three famous namesIt was Byzantium, then Constantinople, and became Istanbul officially only in the twentieth century Istanbul is the only major city spanning two continentsStraddling the Bosphorus Strait in Turkey, Istanbul connects Europe and Asia across a strategic waterway.The Torres Strait is shallow and full of reefsIt separates Cape York from New Guinea and is only about 150 kilometres across at its widest The Strait of Gibraltar separates Europe and Africa by fourteen kmConnecting the Atlantic Ocean to the Mediterranean Sea, the strait narrows to fourteen kilometres.The Malacca Strait narrows to under three kilometresShipping squeezes through the Phillips Channel near Singapore, the tightest point on the route Bab el-Mandeb means the Gate of TearsThe name is often explained by the hazards of the narrow passage between two rocky shores

Tags: straits, turkey, history

The Dardanelles has been a strategic waterway for millennia: the short answers

Where does this come from, and can I check it?: The 61 kilometre channel links the Aegean to the Sea of Marmara and is only a few kilometres wide. The figure is taken from NASA Earth Observatory, 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 world geography fact?: Yes. It sits on the World Geography shelf, one of 2,600 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.