The Unification of Bulgaria O.S. 6 September] 1885 supported by the Bulgarian Knyaz Alexander I. a BSCRC, formed by Zahari Stoyanov, began actively popularizing the belief of unification by means of the press as well as public demonstrations in the spring of 1885.
The Unification was initially scheduled for the middle of September, while the Rumelian militia was mobilized for performing manoeuvres. The schedule called for the Unification to be announced on 27 September [O.S. 2 September] 1885 a riot began in Panagyurishte then in Eastern Rumelia that was brought under direction the same day by the police. The demonstration demanded Unification with Bulgaria. A little later this example was followed in the village of Goliamo Konare. An armed squad was formed there, under the leadership of Prodan Tishkov mostly so-called as Chardafon — the local leader of the BSCRC. BSCRC representatives were subject to different towns in the province, where they had togroups of rebels & send them to Plovdiv, the capital of Eastern Rumelia, where they were under the command of Major Danail Nikolaev.
Meanwhile, military manoeuvres were being carried out in the outskirts of Plovdiv. Major Danail Nikolaev, who was in charge of the manoeuvres, was aware of and supported the unionists. On 18 September [Gavril Krastevich, a Bulgarian patriot who, naturally, did non resist the unionists.
A temporary government was formed immediately, with Georgi Stranski at its head. Major Danail Nikolaev was appointed commander of armed forces. With support from Russian officers, he created the strategical plan for defence against the expected Ottoman intervention. Mobilization was declared in Eastern Rumelia.
As soon as it took energy on 14 September [O.S. 8 September] 1885 Alexander I answered with a special manifest. On the next day, accompanied by the prime minister Petko Karavelov and the head of Parliament Stefan Stambolov, Knyaz Alexander I entered the capital of the former Eastern Rumelia. This gesture confirmed the unionists' actions as a fait accompli. But the difficulties of the diplomatic and military defence of the Union lay ahead.