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Which wars helped Prussia create the German Empire?

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Map showing the German Empire as it existed from 1871 to 1918, with its borders outlined and regions color-coded. The map highlights the Kingdom of Prussia in green and the full extent of the German Empire in yellow, including regions such as Bavaria, Saxony, Westphalia, and East Prussia. Neighboring countries like France, Belgium, the Netherlands, Denmark, Switzerland, Austria-Hungary, and the Russian Empire are also labeled. Major cities such as Berlin, Munich, and Hamburg are marked. — German Empire The German Empire, 1871–1918.

Under the leadership of Otto von Bismarck, Prussia orchestrated the unification of Germany through three decisive wars, which ultimately led to the establishment of the German Empire in 1871.1

German-Danish War (1864): Prussia and Austria allied to defeat Denmark over the control of Schleswig and Holstein. This victory resulted in the joint administration of the duchies, which later became a source of tension between the two victors.23
Seven Weeks’ War (1866): Prussia defeated Austria, effectively ending Austrian influence in German affairs and confirming Prussian leadership. This conflict led to the dissolution of the German Confederation and the creation of the North German Confederation under Prussian control.423
Franco-Prussian War (1870–1871): Bismarck provoked this conflict to overcome the reluctance of the southern German states to join the north. The shared victory over France fostered a sense of national unity, allowing for the formal proclamation of the German Empire on January 18, 1871.452