When did the kokoda war start and end?
No context provided
When did the Kokoda Track Campaign begin?
July 21, 1941 21 July 1942
No context provided
When did the Kokoda Track Campaign end?
16 November 1942 November 16, 1942
Kokoda Track
https://en.wikipedia.org/wiki/Kokoda%20Track
Kokoda Track campaign
https://en.wikipedia.org/wiki/Kokoda%20Track%20campaign
Japanese forces landed and established beachheads near Gona and Buna on 21 July 1942.
Kokoda Track campaign
By 16 November, two brigades of the Australian 7th Division had crossed the Kumusi River at Wairopi, and advanced on the Japanese beachheads in a joint Australian and United States operation. 
Kokoda Track campaign
The Kokoda Track Campaign began on 21 July 1942 when Japanese forces landed and established beachheads near Gona and Buna. The campaign ended on 16 November 1942 when two brigades of the Australian 7th Division crossed the Kumusi River at Wairopi, and advanced on the Japanese beachheads in a joint Australian and United States operation.