Question: Which Bank Dain Rauscher Wessels or DBS Bank was created first?

Context articles: DBS Bank
POSB Bank
OUE Downtown
John G. Taft
The Islamic Bank of Asia
Kwong On Bank
DBS Bank (Hong Kong)
J. B. Hanauer
Tucker Anthony
Dain Rauscher Wessels

DBS Banks is a multinational banking and financial services corporation headquartered in Marina Bay, Singapore.
 The company was known as The Development Bank of Singapore Limited, before the present name was adopted in July 2003 to reflect its changing role as a regional bank.
POSB Bank (or simply known as POSB) is a Singaporean bank offering consumer banking services and is the oldest bank in continuous operation in Singapore.
 Established on January 1, 1877 as the Post Office Savings Bank, the bank now operates as part of DBS Bank, which acquired the institution and its subsidiaries on November 16, 1998.
OUE Downtown or 6 Shenton Way, formerly DBS Building Towers is a high-rise skyscraper complex at 6 Shenton Way in the central business district of Singapore.
 Tower 1, at 201 m and 50 storeys, was completed in 1975 and is one of Singapore's oldest skyscrapers.
 Tower 2, at 150 m and 36 storeys, was completed twenty years later in 1994.
 The former headquarters of DBS Bank was located in the complex.
 Overseas Union Enterprise (OUE) acquired the complex in 2010 and renamed it 'OUE Downtown'.
John G. Taft (born 1954) is an American financier and writer.
 Early in his career he worked as a journalist before entering the investment industry in 1981.
 Early positions with Piper Jaffray and the St. Paul Mayor's Office were followed by roles as CEO of Voyageur Asset Management and Dougherty Summit Securities.
 His unit at Dougherty was later acquired by Dain Rauscher, and Taft began working with Royal Bank of Canada (RBC) when it acquired Dain Rauscher in 2001.
 From 2005 until 2016 Taft was CEO of RBC's U.S. wealth management unit, RBC Wealth Management.
 He is currently chairman of Delaney|Taft LLC, serves as a director of the Columbia Threadneedle Funds and is a senior advisor to Deloitte and Touche LLP.
The Islamic Bank of Asia (IB Asia) was launched by DBS Bank on May 7, 2007 after receiving official approval from the Monetary Authority of Singapore for a full bank licence.
 IB Asia's founding shareholders include majority stakeholder DBS and 34 Middle Eastern investors from prominent families and industrial groups from Gulf Cooperation Council (GCC) countries.
Kwong On Bank Limited (KOB) (former stock code: ) () was a Hong Kong-based bank.
 It was established in 1935 and owned by Dr. Leung Ding Bong family, the President of the former Urban Council of Hong Kong, and Japan-based Fuji Bank.
 It is acquired and privatized by DBS Bank and renamed as DBS Kwong On Bank Limited in 1999.
 DBS Bank merged DBS Kwong On Bank, Dao Heng Bank and Overseas Trust Bank to form DBS Bank (Hong Kong) Limited in 2003.
DBS Bank (Hong Kong) Limited () is a licensed bank incorporated in Hong Kong.
 It is a subsidiary of DBS Bank headquartered in Singapore and it is also the seventh-largest bank in Hong Kong by total assets.
J.B. Hanauer, a wealth management firm established in 1931 and based in Parsippany, New Jersey, was bought out by RBC Dain Rauscher in March 2007.
 RBC Dain Rauscher changed its name to RBC Wealth Management in October 2009.
Tucker Anthony was an independent investment banking and brokerage firm based in Boston, Massachusetts.
 In 2001, the firm was acquired by Royal Bank of Canada and was merged with the bank's Dain Rauscher Wessels subsidiary to create RBC Dain Rauscher.
Dain Rauscher Wessels was a brokerage and investment banking firm based in Minneapolis, Minnesota.
 The firm traced its origins to a number of smaller regional securities firms founded in the 1920s and 1930s.