Hague Conventions

CONVENTION (I) FOR THE PACIFIC SETTLEMENT OF INTERNATIONAL DISPUTES (HAGUE I) (29 July 1899)
TITLE I. ON THE MAINTENANCE OF THE GENERAL PEACE
Article 1
With a view to obviating, as far as possible, recourse to force in the relations between States, the Signatory Powers agree to use their best efforts to insure the pacific settlement of international differences.
TITLE II. ON GOOD OFFICES AND MEDIATION
Article 2
In case of serious disagreement or conflict, before an appeal to arms, the Signatory Powers agree to have recourse, as far as circumstances allow, to the good offices or mediation of one or more friendly Powers.
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III
CONVENTION RELATIVE TO THE OPENING OF HOSTILITIES
Entered into Force: 26 January 1910
Article 1
The Contracting Powers recognize that hostilities between themselves must not commence without previous and explicit warning, in the form either of a reasoned declaration of war or of an ultimatum with conditional declaration of war.