Kushite rule in Egypt lasted less than 150 years.

Evidence

In the long history of Egypt, Kushite rule was a brief interlude of not even 150 years. — Neil MacGregor, A History of the World in 100 Objects, 387

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 387
• XREF: connects to: The border between Egypt and Sudan has been a historical faultline. — Neil MacGregor, A History of the World in 100 Objects, 387