Water shortages in the southern part of Iran have caused protests, which turned violent with attacks on property and other infrastructure. Police action to break up the protests lead to several injuries and deaths.
In 1903, the government in Port-of-Spain, Trinidad passes an ordinance increasing the price of water following the construction of national waterworks infrastructure. Public meetings are held to protest the increase, culminating in a riot at the seat of government, the Red House. Protestors set the building on fire and during the riot police kill 16 people and injure 42 others.
Violence between farmers and pastoralists expands in Tanzania’s southeastern Rufiji valley, a region hit by drought. A farmer is killed in a conflict with a herdsman over access to water in the southern regions of Lindi and Mtwara. Five more people die and many more are injured in subsequent violence. According to local sources, violence has worsened during the prolonged drought.
Conflicts over water are increasing in the Pangani River Basin in northeastern Tanzania between farmers and herders over dwindling water resources. In 2011 in Mbuguni village, four farmers are hacked to death by angry Maasai morans (warriors) as they tried to stop a group of cattle from trampling on maize seedlings.
Conflicts over water continue in Tanzania between farmers and herders over dwindling water resources. In 2013, herders attempt to take over the central water source in the village of Makenya.
One person is killed and several police officers are injured in a fight over access to water resources between herders and farmers near the village of Dihida, Morogoro, Tanzania.
Mosul Dam in Iraq is taken over by Islamic State in Iraq and the Levant (ISIL) forces in August 2014. Over the next several weeks, Kurdish and US forces attack ISIS/ISIL in the region and retake control of the dam.
Manipulation of the waters of the Saimaa Canal (Finland) by partisan Finns in order to flood surrounding land and hinder Soviet troop movements during the Soviet-Finnish conflict.
In November 1941, Soviet troops flood the area to the south of the Istra Reservoir near Moscow in an effort to slow the German advance. Just a few weeks later, German troops use the same tactic to create a water barrier to halt advances by the Soviet 16th Army.
World War II inflicts enormous harm to hydroelectricity systems in the Soviet Union. Over two-thirds of the hydroelectric power stations are lost.