The obelisk of Buenos Aires, one of the main icons of Argentina, was built to commemorate the 400th anniversary of the founding of the city.

该方尖碑是为纪念布宜诺斯艾利斯建城400年而建，如今是该国的标志性建筑之一。

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To commemorate the 100th Anniversary of the Founding of the central Library of Macau, the First International Meeting of Professional.

为纪念澳门中央图书馆成立一百周年，第一届国际图书馆专业人员交流会在澳门举行。

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In 2006 Haines become founding director of Henry Hudson 400 New York, a project to commemorate the 400th anniversary of the historic arrival of Henry Hudson in New York.

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