[1] Gaseitsiwe became kgosi upon Makaba's death c. 1824, but Tshosa's younger brother Sebego seized power and became regent.
[5][3] Gaseitsiwe gained access to the trans-Kalahari trade route and led a westward expansion of the Bangwaketse in the 1860s.
[4] The Mmanaana Kgatla moved to Mosopa in the late 19th century while fighting the Bakwena and came under the authority of the Bangwaketse.
[6] The Bangwaketse's attack on Balete cattle in South African Republic angered the nation, and they captured Gaseitsiwe before ransoming him.
[4] Gaseitsiwe was taught to read by Sebobi, an evangelist with the London Missionary Society, but he did not convert to Christianity.
Religious disagreements between Christians and adherents of traditional religion became a major issue toward the end of Gaseitsiwe's reign in the 1870s and 1880s.