Great Plague of 1738

The Great Plague of 1738 was an outbreak of the bubonic plague between 1738–1740 that affected areas in the modern nations of Romania, Hungary, Ukraine, Serbia, Croatia, and Austria. Although no exact figure is available, the epidemic likely killed over 50,000 people.

In February 1738 the plague hit the Banat region, having been spread there by the Imperial Army.

According to the 1740 Hungarian Diet, the Great Plague claimed 36,000 lives.

Southeastern Transylvania may have been the hardest area hit. Over the following eight years, the plague killed a sixth of the population of Timişoara. Timişoara's Monument of the Holy Trinity in Piaţa Unirii is dedicated to the plague's victims. The plague would return to hit the city again in 1762–1763.

Other cities in the region were also stricken. Between October 1737 and April 1738, 111 deaths were reported in Zărneşti, and 70 in Codlea. More than 10% of the population of Cluj-Napoca was reported to have been killed by the pandemic.

The disease's spread extended to the Adriatic. It made its way to the island of Brač in modern-day Croatia.

By the summer, the Serbian region of Grad Zrenjanin was also affected.

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