On 19 July the Bulgarian army led by the Emperor himself set off from the capital Tarnovo, marched through the Iskar Gorge and Sofia and entered the northern parts of the Struma valley.
O 19 de xullo, o exército búlgaro dirixido polo mesmísimo emperador partiu da capital Tarnovo, marcharon a través da Quebrada Iskar e Sofía e entraron na parte norte do val Struma.