World War 1 Crossword Puzzle

This printable crossword puzzle on the topic of World War I has 13 clues. Answers range from 7 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

German boats used in war
Who was the last Russian emperor?
Who was the 28th president of the United States in World War One?
The serbian terrorist group that trained Gavrilo Princip
Fell victim to the German U-boats in 1915
Who went back on the sussex pledge
The treaty that brought Britain to war
Serbia's reason to get freedom
Austria's confirmation to go to war
A policy of extending a country's powet and influence through diplomacy or military
The victim of the spark to WW1
The treaty that stopped WW1
Consists of Austria Hungary, Germany, Bulgaria and The Ottoman Empire