October 2013 UTC I m not sure that the Wikipedia policy of No Original Research comes across clearly enough in your comment Just to make sure We certainly do research as Wikipedia editors looking for third party reliable sources No Original Research forbids material for which no reliable published sources exist including any analysis or synthesis of published material that serves to advance a position not advanced by the sources typically an editor s own personal position You might wanted to say the same thing Cheers Use the date that the preponderance of reliably published sources use If there are different dates then we note those differences 18 43 31