Question: The Williamsburgh Savings Bank was an important institution in a borough that has had the same boundaries as Kings County since what year?

Context articles: Downtown Brooklyn
List of tallest buildings in Brooklyn
Kings County Museum (Hampton, New Brunswick)
Brooklyner
Dime Savings Bank of New York
Williamsburgh Savings Bank Tower
Brooklyn
National Workers' Savings Bank (Finland)
Chase Manhattan Bank Building
Williamsburgh Savings Bank

Downtown Brooklyn is the third largest central business district in New York City, United States (following Midtown Manhattan and Lower Manhattan), and is located in the northwestern section of the borough of Brooklyn.
 The neighborhood is known for its office and residential buildings, such as the Williamsburgh Savings Bank Tower and the MetroTech Center office complex.
 Since the rezoning of Downtown Brooklyn in 2004, the area has been undergoing a transformation, with $9 billion of private investment and $300 million in public improvements underway.
Brooklyn (pronounced ), the most populous of New York City's five boroughs, contains over 40 high-rises that stand taller than 295 ft .
 The Hub, an apartment rental tower in the Downtown neighborhood of the borough, is Brooklyn's tallest building at 610 ft .
 The Williamsburgh Savings Bank Tower in Fort Greene, at 512 ft , was the tallest building in Brooklyn for 80 years from its completion in 1929 until 2009, when The Brooklyner was topped out at 514 ft .
The Kings County Museum is located in Hampton, New Brunswick and is run by the Kings County Historical and Archival Society, housed in the Centennial Building, with displays also in the old Kings County gaol next door.
 Late in 1966, with the approach of the Centennial Year, an agreement was made between the Kings County Historical Society, the Municipality of Kings County, and the New Brunswick Centennial Administration to have space for a Museum in the new County Centennial Building in Hampton.
 The official opening of the Kings County Museum was on June 1, 1968.
 The museum is home to many artifacts and historical items from Kings County's past, and the main exhibit room is changed to display new artifacts every two (almost consistent) years.
 Being open for 50+ years, the museum has accumulated an overwhelming amount of artifacts – all with a unique backgrounds involving Kings County.
 The museum is open in the summertime and certain hours in the wintertime to the public for tours of the exhibit and the old gaol.
 Guests can explore the many different books and stories about Kings County history that are for sale, and the museum also offers genealogy research.
 It holds documentations of many place histories in Kings County, family genealogies and more.
The Brooklyner, located at 111 Lawrence Street, is a skyscraper in downtown, Brooklyn, New York City.
 Built by the Clarett Group and designed by GKV Architects, with WSP Cantor Seinuk (Structural Engineers), and Langan Engineering (Geotechnical Engineers), it became the tallest building in Brooklyn, surpassing the Williamsburgh Savings Bank Tower in 2010.
 Later in 2014, it was surpassed by 388 Bridge Street for the tallest skyscraper in the borough.
The Dime Savings Bank of New York, originally the Dime Savings Bank of Brooklyn, operated from 1859 to 2002.
 It should not be confused with the Dime Savings Bank of Williamsburgh, also headquartered in Brooklyn, New York City.
The Williamsburgh Savings Bank Tower, at 1 Hanson Place between Ashland Place and St. Felix Street in Brooklyn, New York City, is one of the borough's architectural icons.
 It was once the tallest building in the borough, at 37 stories and 512 feet (156 m) tall, but was surpassed in height by the Brooklyner, which was itself later surpassed.
 It is among the tallest four-sided clock towers in the world.
 The clock faces, 17 ft in diameter, were the world's largest when they were installed.
 Since 2007–08, the building has been converted into luxury condominium apartments under the name 1 Hanson Place.
Brooklyn ( ) is the most populous borough of New York City, with a Census-estimated 2,629,150 residents in 2016.
 It borders the borough of Queens at the southwestern end of Long Island, and has several bridge connections to the nearby boroughs of Staten Island and Manhattan.
 Since 1896, Brooklyn has had the same boundaries as Kings County, the most populous county in the U.S. state of New York and the second-most densely populated county in the United States, after the county of New York (which is coextensive with the borough of Manhattan).
National Workers' Savings Bank (1971-1989) (In Finnish; "Suomen Työväen Säästöpankki", in Swedish; "Arbetarsparbanken") or STS-Bank (1989-1992) was a Finnish savings bank and commercial bank.
 Workers' savings banks were syndicalist, social democratic corporations intended to compete with privately owned banks, which could deny credit to workers on political grounds.
 Created in 1971 through a merger of five local workers' savings banks, the oldest component of STS was the Helsinki branch, founded in 1909.
 The Turku workers' savings bank was the only one to choose to stay independent.
 With the merger, STS became the largest savings bank in Finland.
 The bank went almost bankrupt in 1992 and was sold at a loss to KOP (later Nordea), with the government taking care of much of the bad debt.
The Chase Manhattan Bank Building, also known as the Queens Clock Tower, is a 14-story (54 meters or 178 feet) office building located at 29-27 41st Avenue, at the northeast end of Queens Plaza in Long Island City, Queens, New York City.
 It was completed in 1927 as the Bank of the Manhattan Company Building, and was the tallest office building in Queens until the completion of the Citicorp Building in 1990.
 The building is architecturally similar to the Williamsburgh Savings Bank Tower in Brooklyn.
The Williamsburgh Savings Bank was an important institution in Brooklyn, New York, from the mid-19th to the mid-20th centuries.
 A series of bank mergers brought it into the HSBC group late in the 20th century.
 Williamsburgh Savings Bank opened the building in 1875.
 It is best remembered for two imposing headquarters buildings still standing, the domed original at 175 Broadway in Williamsburg, Brooklyn, designed by George B. Post, and the later Williamsburgh Savings Bank Tower.