Despite decades of animosity, the two neighbours have become major trading partners, says the BBC's Cindy Sui in Taipei.

BBC: China-Taiwan trade pact sparks street protest in Taipei

The animosity between the two men increased, and Sharif dispatched his brother and the ISI chief to Washington in mid-September to sound a warning.

CNN: ASIANOW - TIME Asia | Pakistan: Under the Gun--Page 2

Also included is a typed, undated draft letter from John Lennon to Linda and Paul McCartney that reflects the deep animosity between the two Beatles around the time of the foursome's formal 1971 breakup.

WSJ: Monroe, Eisenhower letters to be auctioned

The animosity between the two companies is mutual.

NEWYORKER: A Woman��s Place

The problem goes deeper than animosity between two old allies.

ECONOMIST: Ukraine's troubles

There, he backed most of Johnson's programme for, despite their personal animosity, the political views of the two men were fairly close.

ECONOMIST: An American political fight to the finish

The animosity gave way to euphoria April 20 when the two exchanges announced plans to join.

FORBES: Dumb Like A Trader

The pre-fight proceedings had been marked by animosity between both men, who had been due to fight two years ago until Haye pulled out with a back injury.

CNN: Klitschko dominates Haye in heavyweight showdown