site.btaObservances: September 4

On this date in Bulgarian history:

1916: 3rd Bulgarian Army engages in battle to capture Toutrakan Fortress during World War I.

1954: Penicillin production starts in Razgrad (Northeastern Bulgaria).

1969: Balkan Auto-making Plant is commissioned in Lovech (North Central Bulgaria).

1969: Maritsa East 2 Thermal Power Plant goes into operation at Kovachevo Village (Southeastern Bulgaria).

1974: Kozloduy Nuclear Power Plant (Northwestern Bulgaria) is commissioned.