On what date did Britain declare war on Germany following an " unsatisfactory reply " to the British ultimatum that Belgium must be kept neutral ?
Lichnowsky reported to Berlin “ If we do not join the mediation , all faith here in us and in our love of peace will be shattered . ” At the same time , Grey met with opposition from the Russian Ambassador who warned that a conference with Germany , Italy , France , and Britain serving as the mediators between Austria and Russia would break apart the informal Triple Entente .