Question: The Silver Nugget is a casino and arena located in a city that was incorporated on what date?

Context paragraphs:
Silver Nugget: The Silver Nugget is a casino and arena located on Las Vegas Boulevard North in North Las Vegas, Nevada.  The casino is owned and operated by Silver Nugget Gaming.  The casino site covers 14 acre and includes a 14000 sqft arena.

Dunes Hotel and Casino (Atlantic City): The Dunes Hotel and Casino (Atlantic City) was a proposed hotel and casino that was to be built in Atlantic City, New Jersey in the late 1970s.  It was initially proposed to consist of 504 hotel rooms and a 34,500 square foot casino located at Albany Avenue on the Boardwalk.  It was to be the southern most hotel/casino on the Boardwalk, adjacent to the Golden Nugget Hotel & Casino.  Due to financial and legal difficulties, the hotel was never completed and a casino license was never issued.

Duquesne Gardens: The Duquesne Gardens was the main sports arena located in Pittsburgh, Pennsylvania, during the first half of the 20th century.  Built in 1890, the building originally served as a trolley barn, before becoming a multi-purpose arena.  The Gardens opened 3 years after a fire destroyed the city's prior sports arena, the Schenley Park Casino, in 1896.  Over the years, the Gardens was the home arena of several of Pittsburgh's historic sports teams, such as ice hockey's Pittsburgh Pirates and Pittsburgh Hornets.  The Western Pennsylvania Hockey League, which was the first ice hockey league to openly hire and trade players, played all of its games at the Gardens.  The arena was also the first hockey rink to ever use glass above the dasher boards.  Developed locally by the Pittsburgh Plate Glass Company, Herculite glass was first tested in Pittsburgh.  Most rinks were using wire mesh before the shatterproof glass was invented.  Finally, the Pittsburgh Ironmen, a charter member of the Basketball Association of America (a forerunner of the National Basketball Association), played at the Gardens from 1946 to 1947.

Opera House Casino: Opera House Casino was a casino located on Las Vegas Boulevard North in North Las Vegas, Nevada.  The casino was owned by Silver Nugget Gaming.

Nugget Casino Resort: Nugget Casino Resort (formerly Dick Graves' Nugget and John Ascuaga's Nugget) is a hotel and casino located in Sparks, Nevada.  It is owned and operated by Marnell Gaming.  The main portion of the casino consists of two 29-story towers nestled between Interstate 80 and the Union Pacific rail yard.  There are additional attached buildings underneath and across I-80 from the towers.  It is located in Downtown Sparks at the Victorian Square.

Golden Nugget Laughlin: Golden Nugget Laughlin (formerly Bobcat Club and Nevada Club) is a hotel and casino located on the banks of the Colorado River in Laughlin, Nevada.  It is owned and operated by Landry's, Inc.  It offers a number of restaurants, 300 guest rooms and suites, an expansive casino floor and dedicated meeting space.  Golden Nugget offers water taxi service from Bullhead City, Arizona, on the opposite side of the river.

North Las Vegas, Nevada: North Las Vegas is a city in Clark County, Nevada, United States, located in the Las Vegas Valley.  As of the 2010 census it had a population of 216,961, with an estimated population of 226,877 in 2013.  The city was incorporated on May 16, 1946.  It is located in the Las Vegas–Paradise, NV MSA and is the fourth largest city in the state of Nevada.

Apache Nugget Casino: The Apache Nugget Casino is located 15 miles north of Cuba, New Mexico, at the junctions of highway 550 and highway 537.  The casino is operated by the Apache Nugget Corporation (ANC) which oversees all gaming activity for the Jicarilla Apache Nation.  ANC is a for-profit Federally Chartered Section 17 Corporation owned by the Jicarilla Apache Nation.  It is located in Dulce, New Mexico, the headquarters for the Nation.  ANC has been in existence since 2003.

Carson Nugget: Carson Nugget is a hotel and casino located in Carson City, Nevada.  Richard Graves opened the Carson City Nugget casino on March 1, 1954 and opened a second one in Sparks, Nevada on March 17, 1955.  At that time the casinos were known as the Carson City Nugget and the Sparks Nugget.  The Carson City Nugget was one of Nevada's largest and most prosperous casinos when Graves sold it to Richard E. Pogue and Chester H. Armstrong in September 1956.  Graves kept the Sparks Nugget.  After Pogue died, the Carson City Nugget was sold to a group of six purchasers for $525,000 in December 1958.  The group including three Adams brothers who would manage the casino.  The Adams family still runs the Carson Nugget.  The casino and restaurants occupy nearly 30000 sqft and an 80-room hotel is located across North Carson Street.

1902–03 Ottawa Hockey Club season: The 1902–03 Ottawa Hockey Club season was the club's 18th season of play.  The club would win the CAHL championship in a playoff with the Montreal Victorias to win the Club's first Stanley Cup.  For their win, the players would each be given a silver nugget.  From that day forward, the club was nicknamed the "Silver Seven."

Supporting paragraphs: Silver Nugget North Las Vegas, Nevada
Answer: May 16, 1946