The Rothschild family was involved early on in financing operations in Hungary, including by providing a sixth of the equity capital for the construction of the iconic Széchenyi Chain Bridge and refinancing its cost overruns in the 1840s.
[4]: 153 In 1873, it received a mandate from the recently created finance ministry for a range of transactions, which made it effectively the main banker of the Hungarian government;[4]: 156 that role was reinforced and extend by successive acts in 1886, 1901, and 1915.
[2]: 218 Following the turmoil of World War I, the Creditbank was able to retain its leading role within the national banking sector.
Its links with the Creditanstalt were loosened,[4]: 158 and in the early 1920s a 18-percent equity stake was acquired by Union européenne industrielle et financière, an affiliate of the French Schneider-Creusot group in partnership with the Banque de l'Union Parisienne and Belgium's Empain group.
[9]: 223 The new group did not survive for long, however; it came under direct management by the State Banks' Executive Committee in January 1948, and disappeared by the mid-1950s.