The Battle of the Dindar River was fought near the Dinder River

Dinder River

The Dinder River is a tributary of the Blue Nile. It flows through Ethiopia and Sudan for .-Course:The Dinder River rises in the Ethiopian Highlands, west of Lake Tana in the Ethiopian woreda of Alefa. It flows northwest out of the highlands and into the plains of the Sudanese state of Sennar...

 in 1738, between the forces of the Ethiopia

Ethiopia

Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

n Emperor Iyasu II

Iyasu II of Ethiopia

Iyasu II or Joshua II was of Ethiopia, and a member of the Gondar branch of Solomonic dynasty...

 and the Sennar army under King Badi IV

Badi IV

Badi IV , also known as Badi abu Shilluk, was a ruler of the Kingdom of Sennar.When Emperor Iyasu II of Ethiopia invaded his realm in 1738, the army of Sennar under the leadership of Hamis, a prince of Darfur, inflicted a significant defeat of the invaders at the Battle of the Dindar River.He was...

. The battle was a disaster for the Ethiopians and for Iyasu.

Stung by lampoons which called him Iyasu Tannush ("Iyasu the Little", in contrast to his earlier namesake "Iyasu the Great

Iyasu I of Ethiopia

Iyasu I , also known as Iyasu the Great, was of Ethiopia, and a member of the Solomonic dynasty...

") and described him as more interested in pursuing his pleasures and amusements than to the well-being of his own subjects, Emperor Iyasu decided to conquer the Kingdom of Sennar.