Original sentence: A temporary Boer republic was established in Stellaland, which was the area surrounding Vryburg, on 10 January 1883.In 1885 it was annexed by Britain and incorporated into British Bechuanaland on 30 September 1885
Edited sentence: A temporary Boer republic was established in Stellaland, which was the area surrounding Vryburg, on 26 July 1882.In 1885 it was annexed by Britain and incorporated into British Bechuanaland