Charles XI of Sweden vs Muhammad al-Mahdi as-Senussi

Charles XI led Sweden in the Scanian War against Denmark-Norway and Brandenburg. The war included the Swedish victory at the Battle of Lund in 1676, the bloodiest battle in Scandinavian history. The war ended with the Treaty of Lund in 1679, which restored the status quo but confirmed Sweden's dominance in the Baltic.

Charles XI implemented the Great Reduction, a policy of reclaiming crown lands and estates that had been granted to the nobility. This drastically reduced the economic and political power of the aristocracy, strengthened the royal treasury, and laid the foundation for absolute monarchy in Sweden.

Charles XI introduced the allotment system (indelningsverket), a permanent military organization where each province was responsible for equipping and supporting a regiment. This created a well-trained, national standing army that was self-sustaining in peacetime and became the backbone of Sweden's military power in the Great Northern War.

The Riksdag of the Estates formally declared Charles XI an absolute monarch, stating that the king was responsible to God alone for his actions. This legalized the de facto absolute power he had already established, making Sweden one of the most centralized absolute monarchies in Europe.

Muhammad al-Mahdi as-Senussi's father, Muhammad ibn Ali as-Senussi, founded the Senussi order in Mecca. After his father's death in 1859, al-Mahdi became the order's leader and expanded it significantly.

Al-Mahdi moved the Senussi headquarters to the Kufra oasis in southeastern Libya in 1895. This location became the spiritual and administrative center of the order, facilitating expansion into central Africa.

Al-Mahdi led Senussi resistance against French colonial forces advancing from Chad into the Sahara. The conflict resulted in Senussi military defeats and loss of territory, but solidified the order's anti-colonial stance.

Al-Mahdi died in 1902 at Kufra. His son, Ahmed Sharif as-Senussi, succeeded him as leader of the order, continuing the anti-colonial struggle and later supporting the Ottoman Empire in World War I.