What is the official date that Yahoo Answers was open to the public?

and was it done world wide at the same time?|||According to Yahoo Answers itself:


"Did you know that on December 12, 2005, Yahoo! Answers publicly launched in the United States?"


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While that launch was in the US, anybody who spoke and wrote English could access the site. The International Yahoo Answers sites were added individually as time went along.|||Yahoo Answers offically started July 5, 2005


While the launch was in the United States of America , everybody who spoke and could write in the launuage of English could access the newly made site. International YA were added individually as time went along.|||sometime in 2005.|||dec 8,2005 to replace Ask Yahoo