Stanley conducts the Emin Pasha Relief Expedition across Africa, and discovers the Pigmies, and the Mountains of the Moon.
1888.

F.Nansen crosses Greenland from east to west.
1888-89.

Captain Binger traces the bend of the Niger.
1889.

The brothers Grjmailo explore Chinese Turkestan.
1889-90.

Bonvalot and Prince Henri d'Orleans traverse Tibet.
1890.