The event that was widely acknowledged to have sparked the outbreak of World War I occurred on June 28, 1914, when Archduke Franz Ferdinand, heir to the Austro-Hungarian Empire, was shot<span> to </span>death<span> with his wife by the Bosnian Serb nationalist Gavrilo Princip in Sarajevo.</span>
Charlemagne would be the answer
Islam spread into Europe in 1543
Answer:
Romanticism was the 19th century artistic and intellectual movement which influenced nationalism in Europe.
Explanation: