<P> The following is the list of officials to serve as referees and linesmen . Officials in italics were only employed as linesmen during the tournament . </P> <Table> <Tr> <Td> <Dl> <Dt> Europe </Dt> </Dl> <Ul> <Li> Thomas Balvay </Li> <Li> Henri Christophe </Li> <Li> Jan Langenus </Li> <Li> Constantin Rădulescu </Li> </Ul> <Dl> <Dt> North America </Dt> </Dl> <Ul> <Li> Gaspar Vallejo </Li> </Ul> <P> </P> </Td> <Td> <Dl> <Dt> South America </Dt> </Dl> <Ul> <Li> Gualberto Alonso </Li> <Li> Martin Aphesteguy </Li> <Li> Domingo Lombardi </Li> <Li> José Macías </Li> <Li> Francisco Mateucci </Li> <Li> Almeida Rêgo </Li> </Ul> <P> </P> </Td> <Td> <Ul> <Li> Ulises Saucedo </Li> <Li> Anibal Tejada </Li> <Li> Ricardo Vallarino </Li> <Li> Alberto Warnken </Li> </Ul> <P> </P> </Td> </Tr> </Table> <Tr> <Td> <Dl> <Dt> Europe </Dt> </Dl> <Ul> <Li> Thomas Balvay </Li> <Li> Henri Christophe </Li> <Li> Jan Langenus </Li> <Li> Constantin Rădulescu </Li> </Ul> <Dl> <Dt> North America </Dt> </Dl> <Ul> <Li> Gaspar Vallejo </Li> </Ul> <P> </P> </Td> <Td> <Dl> <Dt> South America </Dt> </Dl> <Ul> <Li> Gualberto Alonso </Li> <Li> Martin Aphesteguy </Li> <Li> Domingo Lombardi </Li> <Li> José Macías </Li> <Li> Francisco Mateucci </Li> <Li> Almeida Rêgo </Li> </Ul> <P> </P> </Td> <Td> <Ul> <Li> Ulises Saucedo </Li> <Li> Anibal Tejada </Li> <Li> Ricardo Vallarino </Li> <Li> Alberto Warnken </Li> </Ul> <P> </P> </Td> </Tr> <Dl> <Dt> Europe </Dt> </Dl>

Who won the first ever men's world cup