Citigroup Inc. or Citi is an American multinational financial services corporation headquartered in Manhattan, New York City, New York, United States. Citigroup was formed from one of the world's largest mergers in history by combining the banking giant Citicorp and financial conglomerate Travelers Group on April 7, 1998.
The U.S. Men's Clay Court Championship is an annual ATP Tour tennis tournament that started in 1910. It is the last remaining ATP Tour-level tournament in the United States to be played on clay courts.