The term siamese twins was coined as a reference to Eng and Chang Bunker, who achieved international fame following their birth in what was then Siam in 1811.

BBC: NEWS | Health | Medical notes | Conjoined twins

In 1829, the original "Siamese twins, " Chang and Eng Bunker, arrived in Boston aboard the ship Sachem to be exhibited to the Western world.

CNN: Friday,

In Britain, the courts are wrestling with the question of whether a couple's religious beliefs should determine the fate of their Siamese twins.

ECONOMIST: Rights of the unborn

"The two remaining candidates are political Siamese twins, so I'm not expecting very much from the result, " she said after voting in the northern town of Henin-Beaumont, according to Agence-France Presse.

CNN: Sarkozy: Tough in campaign, gracious in defeat

In a key scene, she visits Siamese twins in the Agent Orange ward of a Saigon hospital.

NEWYORKER: From Hollywood to Hanoi

Bob and Peter Farrelly's latest project is Stuck On You, a story of semi-Siamese twins who share the same liver but have totally different personalities.

BBC: News | Entertainment | Woody Allen to star in Spielberg film

Why doesn't Mr McCain pick Joe Lieberman, a prominent Democrat turned independent? (The senators are seen so often in each other's company that they might be Siamese twins.) And why doesn't Barack Obama pick Chuck Hagel, a Nebraska Republican and decorated Vietnam war veteran who has been one of the loudest critics of the Iraq war?

ECONOMIST: Lexington