The town is unofficially divided into several parts: Starii Kalach (“Old Kalach”, located in the northwest, closest to the bridge); the main part of the city (has no name, and its areas correspond to the names of bus stops), Stroyrayon ("District of new houses", the newest part of the town) and the village of Cherkasovo.
History
It was founded in 1708 as a Cossacksloboda and was originally called Kalach (Калач).[3]
In 1862, the Volga-Don Railway was built from Tsaritsyn to Kalach - the oldest operating railway in the territory of the modern Volgograd region. This railroad brought prosperity to the town in the early 20th century.
During the Russian Civil War, Kalach was important in the defense of Tsaritsyn. One of the most massive uprisings of the Cossacks against Bolshevik rule took place in this area. The town moved from one side to the other about eight times.
In World War II, the town lent its name to an armored clash between the German 6th Army and the Soviet 64th and 1st Tank Armies from July 25 to August 11, 1942.[12] About three months later, during Operation Uranus, several Soviet tank corps encircled the besieging German 6th Army in Stalingrad by capturing Kalach, thus cutting off German supply routes.
It was granted town status on April 18, 1951.[4] At the same time, its name was changed to Kalach-na-Donu, to distinguish it from an eponymous town in Voronezh Oblast.[3]
By Construction of Volga–Don Canal in 1952, The city become the end point of the canal.
During the Soviet period, an industrial cluster was built in the town: shipyard, heavy vehicle repair workshop, dairy factory, fish factory, bakery, metal structures plant and others.
In 1976, a road bridge across the Don River was built near the town.
In the 1990s, the population of Kalach-on-Don grew slightly due to thousands of Russian repatriates from the republics of the former USSR.
In the summer of 2006, forest fires burned in the suburbs of the town.
Since March 25, 2010, the town has the honorary title City of Military Glory (Decree of Russian President Dmitry Medvedev No. 342). The town has this title for its historical role in the events of the Battle of Stalingrad.
In 2020, during the COVID-19 pandemic, a new infectious diseases hospital was built in the town.
On July 9, 2024, six Ukrainian kamikaze drones attacked an oil storage facility near the town shipyard.
Волгоградская областная Дума. Закон №994-ОД от 20 января 2005 г. «Об установлении границ и наделении статусом Калачевского района и муниципальных образований в его составе», в ред. Закона №1453-ОД от 28 апреля 2007 г. «О внесении изменений в Закон Волгоградской области от 20 января 2005 г. №994-ОД "Об установлении границ и наделении статусом Калачевского района и муниципальных образований в его составе"». Вступил в силу со дня официального опубликования. Опубликован: "Волгоградская правда", №13, 26 января 2005 г. (Volgograd Oblast Duma. Law #994-OD of January 20, 2005 On Establishing the Borders and Granting the Status to Kalachevsky District and the Municipal Formations Comprising It, as amended by the Law #1453-OD of April 28, 2007 On Amending the Law of Volgograd Oblast #994-OD of January 20, 2005 "On Establishing the Borders and Granting the Status to Kalachevsky District and the Municipal Formations Comprising It". Effective as of the day of the official publication.).