Street fighting in Berlin between Government troops and Spartacists, during the Spartacist uprising which followed Germany's defeat in World War I. (Photo by Keystone/Getty Images). 1919

Wladimir Klitschko (R) of Ukraine hits out at David Haye (L) of England during their World Heavyweight unification fight at the Imtech Arena on July 2, 2011 in Hamburg, Germany. (Photo by Martin Rose/Bongarts/Getty Images)

“Cossacks are a group of predominantly East Slavic people who originally were members of democratic, semi-military communities in Ukraine and Southern Russia. They inhabited sparsely populated areas and islands in the lower Dnieper and Don basins, and played an important role in the historical development of both Ukraine and Russia”. – Wikipedia

Photo: Кубанский казачий хор (Kuban Cossack chorus) - Розпрягайте, хлопцi, коней (Unharness The Horses, Guys!) – Ukrainian

People crowd together in an attempt to buy chickens at a Mega-Mercal, a subsidized state-run street market, in Caracas January 24, 2015. President Nicolas Maduro shook up complex currency controls on Wednesday and also prepared Venezuelans for a rise in the world's cheapest fuel prices in response to a recession worsened by plunging oil revenue. The socialist-run OPEC member's economy shrank 2.8 percent in 2014 while inflation topped 64 percent, the socialist leader announced in a speech to parliament, in what is almost certainly the worst performance in Latin America. (Photo by Carlos Garcia Rawlins/Reuters)

The Fighting Cholitas are a group of female wrestlers who perform in El Alto, Bolivia. Tickets to the exhibitions cost $1. Like the general population of El Alto, which consists almost entirely of Aymara and Quechua residents, the Cholitas are indigenous. They wear braided hair, bowler hats and multilayered skirts in the ring. Here: Barbara Quisbert and Susana La Bonita, cholitas wrestlers, fight during their return to the ring after the coronavirus disease (COVID-19) restrictions, in El Alto outskirts of La Paz, November 29, 2020. (Photo by David Mercado/Reuters)

Alexandr Kudlay, 33, and Viktoria Pustovitova, 28, have breakfast in their apartment in Kharkiv, Ukraine on March 5, 2021. Tired of occasional break-ups, this Ukrainian couple found an unusual solution to stay inseparable. On St. Valentine's Day, they decided to handcuff their hands together for three months and began documenting their experience on social media. (Photo by Gleb Garanich/Reuters)

Ukrainian servicemen of the State Border Guard Service wait for an order to move to the mortar position at the entrance of the shelter in Bakhmut on February 16, 2023, as the head of Russia's mercenary outfit Wagner said it could take months to capture the embattled Ukraine city and slammed Moscow's “monstrous bureaucracy” for slowing military gains. (Photo by Yasuyoshi Chiba/AFP Photo)