Jiří Čtvrtečka is a Czechoslovak

Czechoslovakia

Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

 sprint canoer

Canoe racing

This article discusses canoe sprint and canoe marathon, competitive forms of canoeing and kayaking on more or less flat water. Both sports are governed by the International Canoe Federation ....

 who competed from the late 1960s to the late 1970s. He won three medals at the ICF Canoe Sprint World Championships with a silver (C-2 500 m: 1975

1975 ICF Canoe Sprint World Championships

The 1975 ICF Canoe Sprint World Championships were held in Belgrade, Yugoslavia for the second time, having hosted them in 1971. This also equaled the most times a city had done so with Copenhagen, Denmark ....

) and two bronzes (C-1 1000 m: 1970, C-2 500 m: 1974

1974 ICF Canoe Sprint World Championships

The 1974 ICF Canoe Sprint World Championships were held in Mexico City, Mexico in neighboring Xochimilco. This marked the first time the championships took place out side of Europe. , all championships have taken place either in Europe or North America...

).

Čtvrtečka also competed in three Summer Olympics, earning his best finish of fourth in the C-1 1000 m event

Canoeing at the 1968 Summer Olympics - Men's C-1 1000 metres

The men's C-1 1000 metres event was an open-style, individual canoeing event conducted as part of the Canoeing at the 1968 Summer Olympics program. Heat times were given in tenths of a second while the semifinal and final events were given in hundredths of a second in the official...

 at Mexico City

Mexico City

Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

 in 1968

1968 Summer Olympics

The 1968 Summer Olympics, officially known as the Games of the XIX Olympiad, were an international multi-sport event held in Mexico City, Mexico in October 1968. The 1968 Games were the first Olympic Games hosted by a developing country, and the first Games hosted by a Spanish-speaking country...

.