River monitors are military craft designed to patrol rivers. They are normally the largest of all riverine warships in river flotillas, and mount the heaviest weapons. The name originated from the US
Model of USS Monitor
The Civil War era river monitor Neosho
A Mobile Riverine Force monitor using napalm in the Vietnam War
The river monitor Sava (formerly Bodrog) fired the first shots of World War I. She is now a floating museum anchored along the Sava river in Belgrade, Serbia
The Yugoslav monitor Sava is a Temes-class river monitor that was built for the Austro-Hungarian Navy as SMS Bodrog. She fired the first shots of World War I just after 01:00 on 29 July 1914, when she
River monitor
…the brown-water navy. On the Danube, river monitors were employed during World War I by Austria-Hungary and Romania. The Austro-Hungarian river monitor Bodrog fired the first shots of World War I, against the city of Belgrade, and later also fought in the Romanian Campaign, notably during the Flămânda Offensive…
SMS Bodrog on the Danube river in 1914
View from the Belgrade Fortress over the Great War Island. Bodrog supported the October 1915 crossings of the Danube near the fortress.
During their withdrawal towards Belgrade, Sava and Vardar were repeatedly attacked by German Junkers Ju 87 Stuka dive bombers.