1915

1915

Sinking of RMS Lusitania

The German U-boat sinking killed 1,198 civilians and became a catalyst for American public opinion shifting toward World War I intervention.

1915

Sinking of the HMS Lusitania

1915

Armenian Genocide in Ottoman Empire

The Ottoman Empire's systematic extermination of 1.5 million Armenians.

1915

Gallipoli Campaign Begins

Churchill's gamble turned into eight months of trenches and blood.

1915

Panama-Pacific International Exposition

The 1915 Panama-Pacific International Exposition in San Francisco celebrated the Panama Canal's completion and showcased technological and cultural achievements of the early 20th century.

1915

Edith Cavell Executed by German Forces

The British nurse's execution for aiding Allied soldiers mobilized international outrage and shaped propaganda narratives during the First World War.