sentences:  Long-standing Boer resentment turned into full-blown rebellion in the Transvaal (under British control from 1877), and the first Anglo-Boer War, known to Afrikaners as the "War of Independence", broke out in 1880.The conflict ended almost as soon as it began with a crushing Boer victory at Battle of Majuba Hill (27 February 1881).The republic regained its independence as the "Zuid-Afrikaansche Republiek" ("South African Republic"), or ZAR.