Question: When was the fort at which Lester W. Grau is the Research Coordinator for the Foreign Military Studies Office built ?

Context paragraphs:
Tome H. Walters Jr.: Lieutenant General Tome H. Walters Jr. was Director, Defense Security Cooperation Agency, Office of the Secretary of Defense, Arlington, Virginia.  The agency directs and oversees U.S. foreign military sales, foreign military financing programs, international military education and training programs, and humanitarian assistance and demining programs.

Foreign Military Studies Office: The Foreign Military Studies Office, or FMSO, is a research and analysis center for the United States Army that is part of the United States Army Combined Arms Center at Fort Leavenworth.  It manages the Joint Reserve Intelligence Center there.

Fort Leavenworth: Fort Leavenworth is a United States Army installation located in Leavenworth County, Kansas, immediately north of the city of Leavenworth, in the upper northeast portion of the state.  Built in 1827, it is the oldest active United States Army post west of Washington, DC, and the oldest permanent settlement in Kansas.  Fort Leavenworth has been historically known as the "Intellectual Center of the Army."

Alwan Hassoun Alwan al-Abousi: Alwan Al-Abousi (born December 12, 1944) is a retired Iraqi Air Force Major General.  He was born in Basra, Iraq and attended to join the Iraqi Air Force Academy in 1961 and was commissioned as a MiG-17 fighter pilot in 1965.  He graduated with a B.Sc in Aviation Science from the Egyptian Air Force Academy in 1970.  Subsequently, he received an MA in military sciencefrom the Iraqi Staff College at Al-Bakr University.  His foreign military training includes training in Egypt, India, Russia, France, and Greece.  During the Iran–Iraq War, he served as commander of multiple squadrons, groups, and air bases.  Late in the war, he became the director and deputy commander of air force training.  In the early 1990s, General Abousi became the dean of the national defense for higher political and military studies, and later the commander of air force administration.

Lester W. Grau: Lester W. Grau is the Research Coordinator for the Foreign Military Studies Office at Fort Leavenworth, Kansas.  He is a graduate of the U.S. Army Defense Language Institute (Russian) and the U.S. Army's Institute for Advanced Russian and Eastern European Studies.  He retired from the US Army in 1992 at the grade of Lieutenant colonel.  His military education included the Infantry Officers Basic and Advanced Courses, the United States Army Command and General Staff College and the U.S. Air Force War College.  His Baccalaureate and Masters degrees are in International Relations.  His doctorate is in Military History.  He served a combat tour in Vietnam, four European tours, a Korean tour and a posting in Moscow.  He has traveled to the Soviet Union and Russia over forty times.  He has also been a frequent visitor to the Asian subcontinent, especially Pakistan and Afghanistan.  He visited Iraq in October 2003.  He is a recent CENTCOM Fellow.

Operation Iraqi Freedom documents: Operation Iraqi Freedom documents are some 48,000 boxes of documents, audiotapes and videotapes that were discovered by the U.S. military during the 2003 invasion of Iraq.  The documents date from the 1980s through the post-Saddam period.  In March 2006, the U.S. government, at the urging of members of Congress, made them available online at its Foreign Military Studies Office website, requesting Arabic translators around the world to help in the translation.

World Basic Information Library: The World Basic Information Library (WBIL) is a joint United States Army and United States Navy program, which allows Reserve Component (RC) personnel of all United States Armed Forces branches to participate in contributing Open Source Intelligence (OSINT) information in accordance with tasking requirements from the United States Department of Defense (DoD) and the United States Intelligence Community (IC).  The program is administered by the Foreign Military Studies Office (FMSO), located at Fort Leavenworth, Kansas.  In order for RC personnel to be eligible to participate in the WBIL program, they must first attend a one-week training course at the FMSO taught by its Training and Education Team.  The training phase of the WBIL program falls under the authority of the United States Army Training and Doctrine Command (TRADOC).

School of Advanced Military Studies: The School of Advanced Military Studies (SAMS) is one of four United States Army schools that make up the United States Army Command and General Staff College (CGSC) at Fort Leavenworth, Kansas.  This "enormously rigorous" graduate school comprises two programs: the larger Advanced Military Studies Program (AMSP), and the Advanced Operational Art Studies Fellowship (AOASF), which more senior officers attend.  The student body is small but diverse and comprises members of each of the US armed forces, various US government agencies, and allied military forces.  Graduates are colloquially known as "Jedi Knights".

Critical military studies: Critical Military Studies is a new academic sub-discipline which brings critical theory to the study of military institutions and practices.  It intersects with many academic disciplines, such as international relations, political science, gender studies, human geography and anthropology.  Academic conferences in 2013 and 2014 have included panels on Critical Military Studies.  The sub-discipline also has a new academic journal published by Taylor and Francis.  Scholarship on Critical Military Studies includes issues such as military recruitment and military landscapes.  Critical Military Studies is particularly concerned with how understandings of gender and sexuality shape military practices and research on the military.

México Indígena: México Indígena is a project of the American Geographical Society to organize teams of geographers to research the geography of indigenous populations in Mexico.  The project's stated objective is to map "changes in the cultural landscape and conservation of natural resources" that result from large scale land privatization initiatives underway in Mexico.  The project is led by Peter Herlihy at the University of Kansas and is funded by the U.S. Department of Defense through its Foreign Military Studies Office.  The project has been the subject of criticism by various groups including groups representing indigenous peoples.  Critics allege that the project was not forthcoming about its U.S. military funding, and that the project has various ulterior motives besides gathering information for research purposes.  The project began in 2005, and lasted through 2008.

Supporting paragraphs: Lester W. Grau Fort Leavenworth
Answer: 1827