Napoleon gained power through a coup d'etat that was a

The Coup of 18 Brumaire...

Explanation:

...brought General Napoleon Bonaparte to power as First Consul of France and in the view of most historians ended the French Revolution. This bloodless coup d'état overthrew the Directory, replacing it with the French Consulate.

The First Sino-Japanese war, initiated by the issue of control over Korea, fought between Qing China and Meiji Japan, broke out on July 25, 1894. Japan made consecutive victories over the Chinese Empire over the sea and land in 6 months and forced China to seek a peace treaty by early 1895.