THE RECORD
What changed
After Sarajevo, mobilization, trenches, blockade and colonial troops globalized the conflict.
EVIDENCE
What remains
Military files, letters, photographs, battlefields and demographic data record combat and civilian loss.
WHY IT MATTERS
Why it matters
It collapsed empires and set conditions for revolutions, borders, nationalism and later war.
OPEN QUESTION
Where interpretation begins
No one assassination or state explains it; Eurocentric accounts often omit colonial participation and suffering.