- WWI
- Big Bertha's milieu
- The "Big One"
- All Quiet on the Western Front conflict
- Theater of 1914-1918: Abbr.
- Doughboys' conflict (abbr.)
- Red Baron's conflict, for short
- A Farewell to Arms subj.
- Global conflict of 1914-18: Abbr.
- Conflict under Woodrow Wilson
- Battle of Verdun conflict: Abbr.
- Battle of Tannenberg conflict, for short
- It started with Franz Ferdinand's death: Abbr.
- Global conflict
- 1914-18 event
- Over There occasion, for short
- It ended on 11/11
- Battle of Vimy Ridge conflict, for short
- A Farewell to Arms backdrop, for short
- Subject of a D.C. memorial whose planners aim to open it, aptly, in 2018
- The U.S. used Cherokee code talkers in it
- The African Queen setting: Abbr.
- Conflict for the A.E.F.
- Gallipoli conflict, briefly
- All Quiet on the Western Front conflict (abbr.)
- It ended Nov. 11th
- Battle of the Somme setting, for short
- A Farewell to Arms setting, briefly
- It ended at 11:00 on 11/11/18
- It ended Nov. 11, 1918
- It ended on Nov. 11
- It was over on 11/11 at 11 a.m.
- Red Baron's conflict, briefly
- Setting for Sgt. York's heroics
- It marked the beginning of the "Lost Generation"
- The Ottoman Emp. fell shortly after it
- It ended in '18
- It began 7/28/1914
- Big conflict of the 1910s, briefly
- Teens conflict: Abbr.
- A Farewell to Arms conflict, briefly
- Four-yr. conflict
- It didn't get its no. until 1939
- Conflict that ended Nov. 11, 1918
- Teens conflict, briefly
- Doughboy's conflict, briefly
- 1914-'18 conflict, briefly
- 1910s conflict
- A Farewell to Arms setting: Abbr.
- In Flanders Fields setting, succinctly
- 1910s conflict, briefly
- Early 20th-cent. conflict
- JFK was born during it
- 1910s conflict, for short
- AEF conflict
- 1914-18 conflict, for short
- 20th cen. conflict
- Doughboys' conflict, for short
- Gen. Pershing's conflict
- 1910s conflict: Abbr.
- The US joined it in '17
- When e.e. cummings was interned
- It ended 11/11/18
- Sgt. York served in it
- The "Over There" era
- Gen. Pershing's heyday
- DDE's first conflict
- Initialism since 1939
- A.A. Milne served in it
- What TS Eliot was turned down for
- It ended on Nov. 11, 1918
- The Treaty of Versailles ended it: Abbr.
- It ended La Belle Époque: Abbr.
- Modern European history subj.
- Subj. of "The Guns of August"
- The U.S. joined it in Apr. 1917
- 1914–1919.
- 1914–18.
- 1917 inits.
- 1914–18: Abbr.
- 1914–18 event: Abbr.
- A.E.F.'s conflict
- Conflict that ended on Nov. 11, 1918
- Conflict that ended at 11:00 on 11/11
- It ended at 11:00 on 11/11
- La Belle Époque ender: Abbr.
- The 1919 Treaty of Versailles concluded it: Abbr.
- Conflict for which "Over There" was written: Abbr.
- What the U.S. joined in Apr. 1917
- Over There subj.
- Chapter in early 20th-century history: Abbr.
- The U.S. joined it in 1917: Abbr.
- Teens fight, for short
- Conflict during which the Lusitania was sunk: Abbr.
- Conflict in 2017's "Wonder Woman," in brief
- Historical event given its current name in 1939: Abbr.
- All Quiet on the Western Front setting, for short
- Backdrop for the 2019 film "1917": Abbr.
- Conflict of 1914-18, in brief
- Setting for the film "1917," familiarly
- 1914-18 letters
- 20th-cen. global conflict
- Big 20th-cen. conflict
- 1914-18 conflict: Abbr.
- Major 20th-cen. conflict
- Huge 20th-cen. conflict
- Conflict of 1914-18: Abbr.
- Early 20th-cen. conflict
- The AEF went "Over There" to win it
- Historical setting for "All Quiet on the Western Front," briefly
- Event from 1914 to 1918, briefly
- 20th century struggle
- All Quiet on the Western Front subj.
- Over There conflict, briefly
- Armistice Day conflict
- Big conflict that began in 1914, briefly
- In Flanders Fields conflict, briefly
- Conflict that started in 1914, for short
- Over There conflict: abbr.
- Event precipitated on 6/28/1914: abbr.
- Over There event, briefly
- Event from 1914-1918
- Conflict from 1914 to 1918, briefly
- Conflict that ended on Nov. 11
- Subject of Benedict XV's "Peace Note" of 1917
- Snoopy's fantasy, for short
- The U.S. joined it in 1917
- Its end is commemorated on Nov. 11
- Conflict of 1914 to 1918
- Conflict of 1914-18, for short
