Short answers, pulled from the story.
Tulsa was founded on the 28th of March 1836, when Opothleyahola and the Muscogee Creek Nation established a settlement called Lochapoka beneath the Creek Council Oak Tree at what is now the intersection of Cheyenne Avenue and 18th Street. The city was formally incorporated on the 18th of January 1898, with Edward E. Calkins as its first mayor.
The Tulsa Race Massacre took place on May 31 and the 1st of June 1921, when mobs of white Tulsans attacked the Greenwood neighborhood, known as Black Wall Street, killing Black residents and burning 35 city blocks including 1,256 residences. An official count claimed 23 Black and 16 white citizens died, though other estimates put the total as high as 300 deaths, with over 800 people hospitalized and an estimated 1,000 Black residents left homeless. Property damage was estimated at $1.8 million, equivalent to over $30 million in 2024 dollars.
Tulsa held the nickname the Oil Capital of the World for most of the twentieth century after oil was struck near Red Fork on the 24th of June 1901 and the Glenn Pool Oil Reserve was discovered in 1905, drawing major companies including Texaco and Rockefeller's Prairie Oil and Gas Company to establish headquarters there. The oil industry funded the city's Art Deco building booms and sustained its economy through the Great Depression.
The Tulsa Sound is a musical genre blending rockabilly, country, rock and roll, and blues, developed by local musicians J.J. Cale and Leon Russell in the 1960s and 1970s. Its cultural home is the Church Studio in the Pearl District, a building constructed in 1915 that Leon Russell converted into a recording studio and office for Shelter Records in 1972.
In July 2020, the Supreme Court ruled in McGirt v. Oklahoma that much of eastern Oklahoma, including Tulsa, remains Native American land for purposes of criminal law. The decision placed prosecution of crimes by Native Americans on these lands under tribal court and federal jurisdiction under the Major Crimes Act, rather than state courts. Most of modern Tulsa sits within the territory of the Muscogee Creek Nation.
The BOK Center is a multi-purpose arena in downtown Tulsa designed by architect Cesar Pelli, who also designed the Petronas Towers in Malaysia. It broke ground in 2005, opened on the 30th of August 2008, and ranked in the top ten among indoor arenas worldwide in ticket sales in the first quarter of 2009. The 19,199-seat arena was the centerpiece of Tulsa's Vision 2025 development program.