Russia–Ukraine relations in the Eurovision Song Contest
The All-Russia State Television and Radio Broadcasting Company (RTR) and Channel One Russia (C1R) represented Russia in the Eurovision Song Contest from 1994 to 2021, while the Public Broadcasting Company of Ukraine (UA:PBC/Suspilne) and its predecessor National Television Company of Ukraine (NTU) have represented Ukraine since 2003. Until 2014, the two countries had positive relations, and exchanged top-3 points with each other several times.
Source: Wikipedia — Russia–Ukraine relations in the Eurovision Song Contest (CC BY-SA 4.0)