included the hanging gardens of Babylon, the statue of Zeus at Olympia, the Colossus of Rhodes and the lighthouse of Alexandria.
And for those more interested in preserving the future than the past, the global Live Earth concerts funding Al Gore's foundation against global warming also take place July 7.
More than seven cities are involved however -- among them notably Tokyo, Shanghai, Sydney, Johannesburg, Rio de Janeiro, London, New York, Hamburg and Istanbul.
But one academic brushed off the 7/7/07 frenzy as pure nonsense.
"7/7/07 is not pertinent," said Jean-Pierre Brach, a professor of esoteric studies at Paris' eminent Institute of Higher Studies (Ecole Pratique des Hautes Etudes).
"A number must be interpreted within a given historical context," he said.
The media fuss over July 7, he added, was no more than "divinatory numerology invented in the 19th century and popularised worldwide by the Americans."
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