Short answers, pulled from the story.
The Seven Years' War was a global war fought from 1756 to 1763, primarily in Europe, with significant subsidiary campaigns in North America and the Indian subcontinent. Great Britain and Prussia fought against France and Austria, with Portugal, Spain, Sweden, Russia, Saxony, and many minor states of the Holy Roman Empire joining the two coalitions.
Winston Churchill later referred to the Seven Years' War as the "First World War" because of its truly global scale. Its major campaigns spanned five continents, including Europe, North America, India, the West Indies, the Philippines, and coastal Africa.
The Diplomatic Revolution of 1756 was the strategic realignment in which France allied with its long-time enemy Austria, while Great Britain allied with Prussia. It ended the long-running rivalry between Austria and France and overturned the alliance system of the previous War of the Austrian Succession.
The first engagements came when British colonial militia from Virginia under George Washington ambushed a small French force at Jumonville Glen on the 28th of May 1754, killing ten including commander Joseph Coulon de Jumonville. The French retaliated at Fort Necessity on the 3rd of July 1754, forcing Washington to surrender.
Frederick the Great, King Frederick II of Prussia, was the principal partner of Britain and was regarded as the most brilliant general of the day. He fought numerous battles against Austria, France, and Russia, calling the Battle of Leuthen on the 5th of December 1757 his greatest victory and suffering his worst defeat at the Battle of Kunersdorf in 1759.
The war in central Europe ended with the Treaty of Hubertusburg in 1763, in which Glatz was returned to Prussia in exchange for the Prussian evacuation of Saxony. Under the Treaty of Paris in 1763, France lost its possessions in North America and Britain established its commercial dominance in India.