Question: Robert Galbreath, Jr. participated in a a rush that started on what date?

<P0-S0>  A native of Ohio, he traveled to Kansas and California in the late 19th century. <P0-S1>  Returning East by way of Indian Territory, he participated with his brother, Herman, in the Land Rush of 1889 for the Unassigned Lands. <P0-S2> Robert Galbreath, Jr. (1863–1953) was a pioneer entrepreneur, wildcatter and oilman in Oklahoma. <P0-S3>  Afterward, he sold his claim and settled in the new town of Edmond. <P0-S4>  He became an early wildcatter and oil producer. <P0-S5>  His most notable accomplishment was the discovery of the Glenn Pool oilfield. <SEP> <P1-S0> August started out with the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) holding a special major event called "Juicio Final" on Friday August 1 instead of their traditional Friday night CMLL Super Viernes show, but for the remaining four Fridays they held their traiditonal Super Viernes show, CMLL's main weekly show. <P1-S1>  The shows focused both on continuing storylines from "Juicio Final" as well as storylines building interest for their next show, the CMLL 81st Anniversary Show. <P1-S2>  At the "Juicio Final" show long time rivals Atlantis and Último Guerrero finally agreed to a "Lucha de Apuestas", or bet match, for their wrestling masks, which they promoted as "La Lucha del siglo" ("The match of the century"). <P1-S3>  The shows also furthered issues between the trio known as "Los Ingobernables" ("The Unruly"; La Máscara, La Sombra and Rush) and their continuing rivalry with Negro Casas and his team known as "La Peste Negra" (El Felino and Mr. Niebla) as well as Shocker building towards a match at the 81st Anniversary Show. <P1-S4>  The August 8 "Super Viernes" featured the only championship match of the month as Dragón Rojo Jr. successfully defended the CMLL World Middleweight Championship against rival Rey Escorpión, continuing the feud between the two that started when Dragón Rojo Jr. left a group known as "Los Revolucionarios del Terror", a group led by Rey Escorpión. <P1-S5>  August also saw the annual Universal Championship return as CMLL held the two first rounds on the 15th and 22nd. <P1-S6>  Former Universal Champions La Sombra and Último Guerrero both qualified for the finals and in the end Guerrero won, making him the first ever two time Universal Champion, The August 22, 2014 Super Viernes marked the first "Super Viernes" show where El Sagrado worked as a heel (referred to as a ""Rudo"" in Mexico (a "bad guy" character) when he teamed up with Misterioso Jr. and El Terrible, losing to the team of Blue Panther, Rey Cometa and Sagrado's rival Fuego. <SEP> <P2-S0> James Robert Rush is an American historian, writer, editor, researcher, essayist, consultant and professor. <P2-S1>  Rush studied modern Southeast Asian history at Yale University. <P2-S2>  Rush obtained a PhD degree from Yale University in 1977. <P2-S3>  As a public historian, Rush is an expert on modern Southeast Asia. <P2-S4>  As an educator, Rush is an associate professor of history in the School for Historical, Philosophical and Religious Studies of the College of Liberal Arts and Sciences at Arizona State University in Tempe, Arizona. <P2-S5>  He has served as Director of Arizona State University's Program for Southeast Asian Studies and as Associate Chair of the History Department of the university. <P2-S6>  As a consultant, Rush worked with The Asia Society, El Colegio de México, and the Rockefeller Brothers Fund. <P2-S7>  As a researcher, Rush's most recent research in Indonesia was conducted under the Fulbright Senior Scholarship Program. <SEP> <P3-S0>  The area that was opened to settlement included all or part of the present-day Canadian, Cleveland, Kingfisher, Logan, Oklahoma, and Payne counties of the US state of Oklahoma. <P3-S1> The Oklahoma Land Rush of 1889 was the first land rush into the Unassigned Lands. <P3-S2>  The land run started at high noon on April 22, 1889, with an estimated 50,000 people lined up for their piece of the available two million acres (8,000 km²).