Inspired by Rhodes' imperialist vision, he took part in the planning and financing of the unsuccessful Jameson Raid of late 1895 which was intended to trigger a coup in the South African Republic in the Transvaal.
Inspireret af Rhodes' imperialistiske vision deltog han i planlægningen og finansieringen af det mislykkede Jameson Raid sent i 1895, som skulle udløse et kup i den Sydafrikanske republik.