s was sold in 1748 and transferred in 1749 to Roedelheim. At the beginning of the 20th century, the spa of Homburg became a meeting place of Russian-Jewish intellectuals. The Jewish population numbered 604 (7.14% of the total population) in 1865, declining to 379 in 1910 (2.64%), and 300 in 1933. Of the 74 Jews who remained on 17 May 1939, 42 were deported in 1942/1943.
While the spa business experienced a long-term decline in the wake of the two world wars, the town gained importance by becoming the site for headquarters of various authorities and administrative bodies. By autumn 1946, the military government had already ordered the founding of bizonal authorities. Bad Homburg was chosen as the seat of the financial administrative centre. On 23 July 1947, the Bizone Economic Council instituted the "Special Money and Credit Centre" here in preparation for currency reform. The centre was headed by Ludwig Erhard. After the Federal Republic of Germany � West Germany � was founded with its capital in Bonn, the Federal Debt Administration (Bundes schuldenver waltung), the Office for Security Adjustment (Amt f�r Wertpapier bereinigung) and the Federal Equalization Office (Bundes ausgleichsamt) stayed in Bad Homburg.
In the 20th century, Bad Homburg became a favourite residential area among the upper classes. On 30 November 1989, one of its members, Alfred Herrhausen, the head of the Deutsche Bank, was killed and his driver was injured by a car bomb in Bad Homburg. It was alleged that this was an attack by the Red Army Faction, though this has never been conclusively proven
