An article in the Telegraph announcing a lecture by an amateur historian expounding his theory that when Columbus discovered America in 1492, he was 72 years too late.

A report from Xinhuanet concerning the proposal that Chinese explorers found America 72 years before Christopher Columbus.

From the BBC, Chinese are hoping to emulate an oriental eunuch, who they believe, discovered America 71 years before Columbus.

Zheng He sailed from China to places in South Pacific, Indian Ocean, Persian Gulf, Africa, and possibly America some 80 years before Columbus.

A history of Chinese navigation.