site.btaObservances: September 4
![Observances: September 4](/upload/87410/0F7CFD44-D2A7-400F-8DC0-F77154A5255C.jpg?l=1000)
![Observances: September 4](/upload/87410/0F7CFD44-D2A7-400F-8DC0-F77154A5255C.jpg?l=1000&original=)
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.
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