Duga Radar
The Duga was a Soviet “Over the horizon” radar system, and was a part of the Soviet missile defence early warning system that operated from July 1976 to December 1989. The first signals (probably from a predecessor) were detected in…
Buzludzha
This monument was built on the site of a historic battle, where 30 Bulgarian rebels fought against 700 Ottoman troops on the 31st of juli 1868. The Bulgarian rebels lost, and only 4 of them survived the battle, but it…
