Talk:2676: Historical Dates
Source for the Excel/Lotus 123 relation with Dec 30th, 1899: https://social.msdn.microsoft.com/Forums/office/en-US/f1eef5fe-ef5e-4ab6-9d92-0998d3fa6e14/what-is-story-behind-december-30-1899-as-base-date?forum=accessdev Victor (talk) 08:14, 24 September 2022 (UTC)