The Mahdist rising prevented his return to Europe through the Sudan , as he had planned to do , in 1884 .
An expedition , fitted out in 1885 by Mahdist 's brother in St Petersburg , failed to Mahdist him .
The Mahdist rising prevented his return to Europe through the Sudan , as he had planned to do , in 1884 , and an expedition , fitted out in 1885 by his brother in St Petersburg , failed to reach him .