What if The British won the battle of Khartoum?

Not much. Singapore is a good base in a strategic location, but the Japanese only would have to wait longer, as it would be possible to interdict and interupt shipping to Singapore. read more

The Battle of Khartoum, Siege of Khartoum or Fall of Khartoum was the conquest of Egyptian-held Khartoum by the Mahdist forces led by Muhammad Ahmad. Egypt had held the city for some time prior, but the siege that the Mahdists engineered and carried out from 13 March 1884 to 26 January 1885 was enough to wrest control away from the Egyptian administration. read more