The Eritrean–Ethiopian War took place from May 1998 to June 2000 between 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...

 and Eritrea

Eritrea

Eritrea , officially the State of Eritrea, is a country in the Horn of Africa. Eritrea derives it's name from the Greek word Erethria, meaning 'red land'. The capital is Asmara. It is bordered by Sudan in the west, Ethiopia in the south, and Djibouti in the southeast...

, forming one of the conflicts in the Horn of Africa

Conflicts in the Horn of Africa

-Colonial conflicts:* First Italo-Ethiopian War between the Kingdom of Italy and the Ethiopian Empire, 1895-1896* Dervish resistance against the United Kingdom, the Kingdom of Italy, the Ethiopian Empire, and other Somalis, 1899-1920...

. Eritrea and Ethiopia—two of the world's poorest countries—spent hundreds of millions of dollars on the war, and suffered tens of thousands of casualties as a direct consequence of the conflict, which resulted in minor border changes.

According to a ruling by an international commission in The Hague, Eritrea broke international law and triggered the war by invading Ethiopia.

At the end of the war Ethiopia held all of the disputed territory and had advanced into Eritrea.