I'm trying to insert the date 9/11/1876 (9 november 1876) in a item and the system keeps converting this to 11 september 1876. I think it assumes the date is in an unusual format MM/DD/YYYY, while the correct would be DD/MM/YYYY. Typing "9 de novembro de 1876" doesn't work either.
See Also:
T70236: Some localized dates can't be encoded in date property fields.