Frederick William I of Prussia vs Hugh ONeill

Upon ascending the throne, Frederick William I drastically cut court spending, selling off royal luxuries and reducing the court staff. He redirected the savings to the military and state administration. This fiscal austerity created a large treasury surplus and made Prussia financially independent.

Frederick William I issued a decree making primary education compulsory for all children in Prussia. This was one of the first state-mandated education systems in Europe. While implementation was uneven, it laid the foundation for Prussia's high literacy rates and later educational excellence.

Frederick William I established the General Directory (Generaldirektorium), a centralized administrative body that managed the state's finances, military, and economy. This reform created an efficient, bureaucratic state apparatus that became the model for Prussian governance and enabled the maintenance of a large standing army.

Frederick William I expanded the Prussian army from 38,000 to 80,000 men, making it the fourth-largest army in Europe despite Prussia being the tenth-largest state by population. He introduced the canton system of conscription and drilled the army to a high standard of discipline, earning him the nickname 'The Soldier King'.

Hugh O'Neill, Earl of Tyrone, defeated an English army under Sir Henry Bagenal at Clontibret in County Monaghan. This victory marked the beginning of the Nine Years' War, establishing O'Neill as the leader of the Irish resistance against English rule.

O'Neill's forces ambushed and destroyed an English army under Sir Henry Bagenal at the Yellow Ford on the River Blackwater. The English suffered over 800 casualties, and Bagenal was killed, marking the greatest Irish victory of the war.

O'Neill and his Spanish allies were decisively defeated by English forces under Lord Mountjoy at Kinsale. The defeat ended Spanish support for the Irish rebellion and forced O'Neill to retreat to Ulster, leading to the collapse of the Irish confederation.

O'Neill submitted to the English crown under the Treaty of Mellifont, ending the Nine Years' War. He was pardoned and allowed to keep his lands, but in 1607 he fled Ireland with other Gaelic lords in the Flight of the Earls, never to return.