Ivan Belošević was a Croatian

Croats

Croats are a South Slavic ethnic group mostly living in Croatia, Bosnia and Herzegovina and nearby countries. There are around 4 million Croats living inside Croatia and up to 4.5 million throughout the rest of the world. Responding to political, social and economic pressure, many Croats have...

 footballer. He played international football for both the Kingdom of Yugoslavia national football team

Yugoslavia national football team

The Yugoslavia national football team represented the Kingdom of Yugoslavia and the Socialist Federal Republic of Yugoslavia in association football. It enjoyed a modicum of success in international competition. In 1992, during the Yugoslav wars, the team was suspended from international...

 and the Independent State of Croatia national football team.

He started his career with Zagreb

Zagreb

Zagreb is the capital and the largest city of the Republic of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately above sea level. According to the last official census, Zagreb's city...

's HTŠK Grafičar before moving to HŠK Concordia

HŠK Concordia

HŠK Concordia was a Croatian football club formed in Zagreb. The club was founded asthe Srednjoškolski športski klub in 1906.By the end of the First World War the club had played many matches with both domestic and foreign clubs...

. With Concordia he won the Royal Championship

Yugoslav First League

The Yugoslav First League was the premier football league in the Kingdom of Yugoslavia and socialist Yugoslavia...

 in 1932. Belošević moved to HŠK Građanski in 1937. He ended his career in 1941, when he became a manager.