Kriegsspiel

Kriegsspiel, a military game played on large-scale maps with metal blocks for troops, and designed to represent as fully as possible the conditions of warfare; was invented by a Prussian lieutenant in 1824.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Kreuzer * Krilof, Ivan Andreevich
[wait for the fun]
Kotzebue
Koumiss
Kovalevsky, Alexander
Krakatao
Kraken
Krapotkin, Prince Peter
Krause, Karl Christian Friedrich
Krefeld
Kremlin
Kreuzer
Kriegsspiel
Krilof, Ivan Andreevich
Krishna
Krüdener, Madame de
Krüger, S. J. Paul
Krummacher, Frederick
Krupp, Alfred
Kubera
Kublai Khan
Kuenen, Abraham
Kuen-Lun