Conflictos en 1931 (es); ১৯৩১-এর যুদ্ধ (bn); Krigsåret 1931 (sv); 1931 in military history (en); 1931 in military history (en); نزاعات في 1931 (ar); 1931 സൈനിക ചരിത്രത്തിൽ (ml); Konfliktåret 1931 (nb) militärrelaterade händelser under år 1931 (sv); military-related events during the year of 1931 (en); military-related events during the year of 1931 (en) Krigsåret 1931 (nb)
1930s conflicts:
