Askia Daoud was ruler of the Songhai Empire

Songhai Empire

The Songhai Empire, also known as the Songhay Empire, was a state located in western Africa. From the early 15th to the late 16th century, Songhai was one of the largest Islamic empires in history. This empire bore the same name as its leading ethnic group, the Songhai. Its capital was the city...

 from 1549 to 1582. Daoud came to power unopposed following the death of his brother Askia Ishaq I

Askia Ishaq I

Askia Ishaq I was ruler of the Songhai Empire from 1539 to 1549, elected Askia following the death of Askiya Ismail. He was the fifth ruler of the Askiya Dynasty which had the town of Gao as its capital....

 in 1549. The Empire continued to expand under Daoud's rule, and saw little internal strife.

He organised a series of military campaigns against tributary territories of his large empire. The Songhai forces were frequently successful, but in the 1561-1562 campaign against the Mossi

Mossi Kingdoms

The Mossi Kingdoms, sometimes mistakenly referred to as the Mossi Empire, were a trio of powerful states in modern-day Burkina Faso. Each state possessed similar customs and government, but were ruled independently of each other...

, a number of his commanders were killed.

In 1556-1557 troops of Mulay Muhammad al-Shaykh

Mohammed ash-Sheikh

Mawlay Mohammed ash-Sheikh ash Sharif al-Hassani al-Drawi at-Tagmadert was the first sultan of the Saadi dynasty ruling over Morocco . "Al-Drawi at-Tagmadert" means: the man from the Draa river valley, from Tagmadert. He was particularly successful in expelling the Portuguese from most of their...

, the sultan of Marrakesh captured the salt mine

Salt mine

A salt mine is a mining operation involved in the extraction of rock salt or halite from evaporite deposits.-Occurrence:Areas known for their salt mines include Kilroot near Carrickfergus, Northern Ireland ; Khewra and Warcha in Pakistan; Tuzla in Bosnia; Wieliczka and Bochnia in Poland A salt mine...

s of Taghaza

Taghaza

Taghaza is an abandoned salt-mining centre located in a salt pan in the desert region of northern Mali. It was an important source of rock salt for West Africa up to the end of the 17th century when it was abandoned and replaced by Taoudenni. Salt from the mines formed an important part of the...

 but then withdrew. Soon after his accession in 1578 Sultan

Sultan

Sultan is a title with several historical meanings. Originally, it was an Arabic language abstract noun meaning "strength", "authority", "rulership", and "dictatorship", derived from the masdar سلطة , meaning "authority" or "power". Later, it came to be used as the title of certain rulers who...

 Ahmad I al-Mansur of Morocco

Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

demanded the tax revenues from the salt mines. Ashiya Dawud responded by sending a large quantity of gold as a gift.

Daoud's 1582 death began a struggle for succession that critically weakened the Empire and prepared the way for the 1591 Moroccan invasion by the troops of Sultan Ahmad I al-Mansur Saadi.