paragraph_text: The Acura EL is a subcompact executive car that was built at Honda's Alliston, Ontario, plant, and also the first Acura built in Canada. The EL is a badge-engineered Honda Civic with a higher level of features.

paragraph_text: On February 10, 2016, Nissan unveiled the second generation Armada at the Chicago Auto Show, and went on sale in August 2016 as a 2017 model. This version is based on the Nissan Patrol and Infiniti QX80, and is assembled in Japan, except for the Endurance V8 engine, which is assembled in Decherd, Tennessee. The Armada grew in length and width, but the wheelbase and height were moderately reduced. In addition to the Endurance V8, a seven - speed transmission was introduced to improve fuel economy, acceleration and torque, along with an increase in horsepower from 317 to 390 hp at 5,200 rpm. The exterior moderately differs from the updated Patrol, that was introduced in early 2014. As with the previous generation, the Armada continued to offer 2WD and 4WD and available in SV, SL, and Platinum trims.

paragraph_text: The Acura Legend is a mid-size luxury/executive car manufactured by Honda. It was sold in the U.S., Canada, and parts of China under Honda's luxury brand, Acura, from 1985 to 1995, as both a sedan, which was classified as a full-size car, and a coupe, which was classified as a mid-size car (similar to how the Honda Accord is set up today). It was the first flagship sedan sold under the Acura nameplate, until being renamed in 1996 as the Acura 3.5RL. The 3.5RL was the North American version of the KA9 series Honda Legend.

paragraph_text: The Acura RLX is a full-size luxury sedan manufactured by Honda and sold under their Acura division, released in 2013. Succeeding the Acura RL, the RLX offers two versions, a front-wheel drive base model equipped with Acura's Precision All-Wheel Steer (P-AWS) four-wheel steering system, and a hybrid variant featuring SH-AWD that serves as Acura's flagship. The JDM version, the Honda Legend, is only offered with the SH-AWD powertrain.

paragraph_text: Norfolk Assembly was a Ford manufacturing plant that opened on April 20, 1925 on the Elizabeth River, near downtown Norfolk, Virginia -- closing in 2007.

paragraph_text: In 2002, the company closed its Valencia Street plant in San Francisco, which had opened the same year of the city's April 1906 earthquake. By the end of 2003, the closure of Levi's last U.S. factory in San Antonio ended 150 years of jeans made in the USA. Production of a few higher - end, more expensive styles of jeans resumed in the US several years later.

paragraph_text: BMW released the first iPod automobile interface, allowing drivers of newer BMW vehicles to control an iPod using either the built-in steering wheel controls or the radio head-unit buttons. Apple announced in 2005 that similar systems would be available for other vehicle brands, including Mercedes-Benz, Volvo, Nissan, Toyota, Alfa Romeo, Ferrari, Acura, Audi, Honda, Renault, Infiniti and Volkswagen. Scion offers standard iPod connectivity on all their cars.

paragraph_text: The first-generation Acura RL was a rebadged version of the third-generation Honda Legend, and was first introduced to the North American market in 1996, to replace the second-generation Acura Legend. The second-generation Acura RL was a rebadged version of the fourth-generation Honda Legend, introduced to the North American market in September 2004, as a 2005 model. This iteration of the RL received an extensive mid-generational facelift for the 2009 model year, and a further update for 2011. The third-generation debuted for the 2014 model year as the Acura RLX.

paragraph_text: The Nissan Rogue is a compact crossover SUV produced by the Japanese automaker Nissan. It made its debut in October 2007 for the 2008 model year. The current model, the second generation launched in 2013, is the North American version of the Nissan X-Trail. It is currently Nissan's best - selling vehicle in the United States.

paragraph_text: The Ford Richmond Plant, formally the Ford Motor Company Assembly Plant, in Richmond, California, was the largest assembly plant to be built on the West Coast and its conversion to wartime production during World War II aided the United States' war effort. The plant is part of the Rosie the Riveter/World War II Home Front National Historical Park and is listed on the National Register of Historic Places. It currently houses the National Park Service visitor center, several private businesses and the Craneway Pavilion, an event venue.

paragraph_text: Originally leased in 1759 to Arthur Guinness at IR £45 (Irish pounds) per year for 9,000 years, St. James' Gate has been the home of Guinness ever since. It became the largest brewery in Ireland in 1838, and the largest in the world by 1886, with an annual output of 1.2 million barrels. Although no longer the largest brewery in the world, it is still the largest brewer of stout in the world. The company has since bought out the originally leased property, and during the 19th and early 20th centuries the brewery owned most of the buildings in the surrounding area, including many streets of housing for brewery employees, and offices associated with the brewery. The brewery also made all of its own power using its own power plant.

paragraph_text: The Acura ZDX is a mid-size luxury crossover SUV developed by Honda for its upmarket brand Acura. The car was originally scheduled to be called the Acura MSX. The ZDX debuted at the 2009 New York International Auto Show on April 8, 2009. The vehicle was also the first to be completely designed at Acura's southern California design studio in Torrance.

paragraph_text: The Nissan Actic was a concept car design study by Nissan Design America in La Jolla, California, and presented at the 2004 North American International Auto Show. The vehicle itself is a crossover SUV style, with smooth, bullet-shaped bodywork that looks vaguely like a small Nissan Murano.

paragraph_text: The Infiniti J30, or Nissan Leopard J Ferie in Japan, was a rear wheel drive luxury car. The J30 went into production on April 7, 1992 as a 1993 model to replace the M30 (which was a coupe), and was launched in the United States after its competitor, the Lexus GS. The car was designed to slot between the smaller G20 and the larger Q45, as Infiniti's first mid-size sedan to compete directly with the Acura Legend. Also, it was fairly small but featured rounded styling uncharacteristic of the crowded executive car class, that is now reminiscent of a four-door coupé. Chief designer for the J30 was Jerry Hirshberg, president of Nissan Design International (NDI) and exterior designer Doug Wilson in 1988-1989. Design work was frozen in 1989. In a promotional video produced in 1994, it was referred to as a "personal luxury sedan" as attempt to define it as a four-door coupé. It has the round looks of the Nissan Altima/Bluebird U13.

paragraph_text: Some buyers lamented the small size of the first Japanese compacts, and both Toyota and Nissan (then known as Datsun) introduced larger cars such as the Toyota Corona Mark II, the Toyota Cressida, the Mazda 616 and Datsun 810, which added passenger space and amenities such as air conditioning, power steering, AM-FM radios, and even power windows and central locking without increasing the price of the vehicle. A decade after the 1973 oil crisis, Honda, Toyota and Nissan, affected by the 1981 voluntary export restraints, opened US assembly plants and established their luxury divisions (Acura, Lexus and Infiniti, respectively) to distinguish themselves from their mass-market brands.

paragraph_text: The Acura RL is a mid-sized / executive luxury car that was manufactured by the Acura division of Honda for the 1996–2012 model years over two generations. The RL was the flagship of the marque, having succeeded the Acura Legend, and was replaced in 2013 by the Acura RLX. All models of the Legend, RL and RLX lines have been adapted from the Japanese domestic market Honda Legend. The model name "RL" is an abbreviation for "Refined Luxury."

paragraph_text: The Jonga was a Nissan designed vehicle used by the Indian Army. Jonga was an acronym for Jabalpur Ordnance aNd Guncarriage Assembly.

paragraph_text: Rank Group Country Vehicles Toyota Japan 10,213,486 Volkswagen Group Germany 10,126,281 Hyundai South Korea 7,889,538 General Motors United States 7,793,066 5 Ford United States 6,429,485 6 Nissan Japan 5,556,241 7 Honda Japan 4,999,266 8 Fiat Chrysler Automobiles Italy / United States 4,681,457 9 Renault France 3,373,278 10 PSA France 3,152,787 11 Suzuki Japan 2,945,295 12 SAIC China 2,566,793 13 Daimler Germany 2,526,450 14 BMW Germany 2,359,756 15 Changan China 1,715,871

paragraph_text: Janesville Assembly Plant is a former automobile factory owned by General Motors located in Janesville, Wisconsin. Opened in 1919, it was the oldest operating GM plant when it was largely idled in December 2008, and ceased all remaining production on April 23, 2009. The demolition of the plant began in April 2018.

paragraph_text: Seattle remained the corporate headquarters of Boeing until 2001, when the company separated its headquarters from its major production facilities; the headquarters were moved to Chicago. The Seattle area is still home to Boeing's Renton narrow-body plant (where the 707, 720, 727, and 757 were assembled, and the 737 is assembled today) and Everett wide-body plant (assembly plant for the 747, 767, 777, and 787). The company's credit union for employees, BECU, remains based in the Seattle area, though it is now open to all residents of Washington.

Question: When did the maker of the Acura Legend, the largest auto company in the world, and Nissan open US assembly plants?
Answer: 1981