The 0 Euro Souvenir Banknote CZAR 2021-2 commemorates the 45th anniversary of Czechoslovak cosmonaut Oldřich Pelčák’s selection for space training. Although Pelčák never flew into space, he was the backup for Vladimír Remek, the first Czechoslovak and non-American, non-Soviet astronaut in space. This banknote celebrates the legacy of Czechoslovak space exploration and Pelčák's contribution to the space program. Issued in 2021, the collectible note features Pelčák’s likeness and space-related imagery, marking an important chapter in the history of Czechoslovak science and technology, and serving as a tribute to the nation's contributions to the global space race.