Suleyman Pasha struck a bold blow to the weakened Byzantine Empire on behalf of his race, which gave the Turks a permanent establishment on the European side of the Hellespont.

The weakened Byzantine Empire no longer possessed the resources to defeat Murad on its own, and concerted action on the part of the Byzantines, often divided by civil war, was impossible.

In 1739, a weakened Mughal Empire lost the Battle of Karnal, following which the victorious forces of Nader Shah invaded and looted Delhi, carrying away many treasures, including the Peacock Throne.

But the attempt had no success; the disorganized and weakened Empire was soon to disappear under the barbarian waves pouring in from the north and the east.

John V.A. Fine has suggested that Ivan Asen realised the greater threat posed to the Second Bulgarian Empire by the expansion of Nicaea rather than the weakened Latin Empire.

The behavior of Louis XIV of France also further developed French-German enmity: in the next month the violent War of the Reunions broke out on the west of the weakened Holy Roman Empire.

A weakened Byzantine Empire allowed the expansion of the Arab Empire into Lebanon.

By 1300, a weakened Byzantine Empire had lost most of its Anatolian provinces to ten Ghazi principalities.

The Principality of Armenia lasted until 884, when it regained its independence from the weakened Arabic Empire.

The weakened Byzantine Empire and wars between Genoa and Venice for trade routes made Tenedos a key strategic location.