The Bosphorus http://istanbul.hasanyildiz.com/the-bosphorus

The word Bosphorus means “Ford of the Cow” and takes its name from a myth:

it was the favourite of Zeus, but Hera, the wife of Zeus was jealous of her. To protect lo Zeus turned her into a cow, but Hera sent a bee, which irritated the cow, so that it plunge into the Bos-phorus and crossed the strait.

http://istanbul.hasanyildiz.com
https://www.fb/historicalistanbul