Danube drought exposes Nazi wrecks, mammoth bones across Europe

Record-low water levels on the Danube River, Europe's second longest waterway, have revealed dozens of World War II German warships deliberately scuttled in September 1944 near Prahovo, Serbia, along with well-preserved woolly mammoth remains in Bulgaria. The exposed vessels, some still containing explosives and weapons, pose operational challenges for authorities, while the drought has severely disrupted river navigation and threatened power generation across Central and Eastern Europe.

Historians estimate up to 200 German warships belonging to Nazi Germany's Black Sea fleet were sunk in the Danube gorge near Prahovo as they retreated under Soviet fire in 1944. The deliberate sinking was intended to slow Soviet advance in the Balkans. At least 20 wrecks of varying sizes are now visible from the riverbanks. The Serbian government, supported by European Union funding, has long attempted to address the hazard, though most vessels remain in place due to unexploded ordnance. The visible hulks include rusted frames and broken masts marking where Nazi insignia once flew.

In Bulgaria, near the northeastern city of Ruse, paleontologists have identified bone fragments from a woolly mammoth, including a jawbone, tusk fragments, a shoulder blade section, and a femur. According to Nikolay Nenov, director of the Regional Historical Museum, the bones are exceptionally well preserved and concentrated in a single location, indicating they belonged to one individual animal. The remains suggest the animal was young and may have spent considerable time in a marshy environment. Woolly mammoths, which died out approximately 4,000 years ago, coexisted with early humans who hunted them for food and utilized their tusks and bones as tools.

The Danube's critically low water levels have created hazardous shipping conditions across the 10 nations through which the river flows. Power plants have been forced near shutdown, prompting governments across the region to implement electricity conservation measures. Local residents report that large vessels can no longer navigate the river. Experts have attributed the unusually hot weather and low water levels to global warming and related climatic factors. The current drought follows similar exposures of Nazi wrecks in 2022 and 2024 during previous periods of record-low water levels.