13 March 1912Balkan LeagueFerdinand Ferdinand I
The signing of a secret bilateral defensive alliance between Serbia and Bulgaria. Serbia and Bulgaria sign treaties to split between them the land of Vardarrr Macedonia
Historical records for Bulgaria in 1912, rendered directly from the World History Database and ordered by month, day and event.
The signing of a secret bilateral defensive alliance between Serbia and Bulgaria. Serbia and Bulgaria sign treaties to split between them the land of Vardarrr Macedonia
Approves the secret alliance with Serbia.
Signs the alliance establishing Serbian-Bulgarian cooperation against the Ottoman Empire.
Expanded by a military contract
Negotiates operational cooperation between the Bulgarian and Serbian armies.
This agreement is later followed by a similar one between Bulgaria and Montenegro, thus forming a network of alliances in the Balkans, aimed at Turkey.
Greece, not wishing to be left out of a possible alliance against the Ottoman Empire and the corresponding partition of territory, begins negotiations with Bulgaria on a defensive alliance resulting in the Greco-Bulgarian Treaty
Concludes a defensive treaty with Greece.
The first state to declare war is Montenegro, starting the First Balkan War. After issuing an ultimatum to the Porte on October 13, Bulgaria declares war on Turkey on October 17
After issuing an ultimatum to the Porte on October 13, Bulgaria declares war on Turkey on October 17
Commands Bulgaria's First Army in Thrace.
Leads Bulgarian armies into Eastern Thrace.
Begins operations against Adrianople.
Helps win a major First Balkan War battle.
The First Balkan War breaks out following an impossible ultimatum given to the Porte
Bulgarian forces fail to break the Chatalja line.
Following a ceasefire in December between the Ottoman Empire and Bulgaria, Serbia and Montenegro, the Turkish fleet twice exited the Dardanelles but was twice defeated in the battles of Elli and Lemnos
Following a ceasefire in December between the Ottoman Empire and Bulgaria, Serbia and Montenegro, the Turkish fleet twice exited the Dardanelles but was twice defeated in the battles of Elli and Lemnos
Following a ceasefire in December between the Ottoman Empire and Bulgaria, Serbia and Montenegro, the Turkish fleet twice exited the Dardanelles but was twice defeated in the battles of Elli and Lemnos
Bulgaria attacks Eastern Thrace, stopped at the outskirts of Constantinople in the Chatalja line
Takes three Bulgarian Armies into Thrace in the direction of Adrianople
An alliance is agreed between Bulgaria and Serbia to partition Macedonia
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