 Beginning on 21 May, the Ottoman army moved ahead once again.The conflict led to the Battle of Sardarapat (21–29 May), the Battle of Kara Killisse (1918) (24–28 May), and the Battle of Bash Abaran (21–24 May).On 26 May 1918, the federation dissolved initially with the Georgian declaration of independence (Democratic Republic of Georgia), quickly followed by those of the Armenian (First Republic of Armenia), and Azerbaijan (Azerbaijan Democratic Republic) representatives on 28 May.