The Letters Patent establishing the Province of South Australia, dated 19 February 1836 and formally titled "Letters Patent under the Great Seal of the United Kingdom erecting and establishing the Province of South Australia and fixing the boundaries thereof", was presented to King William IV to formally seek the approval to establish the Province of South Australia. It defined the boundaries of the new colony, but also, significantly and unlike the South Australia Act 1834, included recognition of the rights of the Aboriginal peoples of South Australia. It is sometimes referred to as Letters Patent 1836.