Question: When did the first mosque in the place where the Marshall Islands International Airport is located open?

Knowledge 1: Marshall Islands International Airport
Marshall Islands International Airport , also known as Amata Kabua International Airport, is located in the western part of Rairok on the south side of Majuro Atoll, the capital of the Republic of the Marshall Islands. The airport was built during World War II (1943) on Anenelibw and Lokojbar islets. It replaced Majuro Airfield, a coral-surfaced airstrip at Delap Island near the eastern end of Majuro Atoll that had been originally constructed by Japanese occupation forces in 1942. [SEP] Knowledge 2: Marshall Islands
Major religious groups in the Republic of the Marshall Islands include the United Church of Christ (formerly Congregational), with 51.5% of the population; the Assemblies of God, 24.2%; the Roman Catholic Church, 8.4%; and The Church of Jesus Christ of Latter-day Saints (Mormons), 8.3%; Also represented are Bukot Nan Jesus (also known as Assembly of God Part Two), 2.2%; Baptist, 1.0%; Seventh-day Adventists, 0.9%; Full Gospel, 0.7%; and the Baha'i Faith, 0.6%; Persons without any religious affiliation account for a very small percentage of the population. There is also a small community of Ahmadiyya Muslims based in Majuro, with the first mosque opening in the capital in September 2012.
Knowledge 1: Freeflight International Airport
Freeflight International Airport, also known as Dyess Army Airfield, is a military airbase at Roi-Namur on Kwajalein Atoll, Marshall Islands. It is owned by the United States Army. This airport is assigned the location identifier ROI by the FAA, but has received no designation by the IATA. [SEP] Knowledge 2: Marshall Islands
Major religious groups in the Republic of the Marshall Islands include the United Church of Christ (formerly Congregational), with 51.5% of the population; the Assemblies of God, 24.2%; the Roman Catholic Church, 8.4%; and The Church of Jesus Christ of Latter-day Saints (Mormons), 8.3%; Also represented are Bukot Nan Jesus (also known as Assembly of God Part Two), 2.2%; Baptist, 1.0%; Seventh-day Adventists, 0.9%; Full Gospel, 0.7%; and the Baha'i Faith, 0.6%; Persons without any religious affiliation account for a very small percentage of the population. There is also a small community of Ahmadiyya Muslims based in Majuro, with the first mosque opening in the capital in September 2012.
Knowledge 1: Marshall Islands International Airport
Marshall Islands International Airport , also known as Amata Kabua International Airport, is located in the western part of Rairok on the south side of Majuro Atoll, the capital of the Republic of the Marshall Islands. The airport was built during World War II (1943) on Anenelibw and Lokojbar islets. It replaced Majuro Airfield, a coral-surfaced airstrip at Delap Island near the eastern end of Majuro Atoll that had been originally constructed by Japanese occupation forces in 1942. [SEP] Knowledge 2: Corfu International Airport
Corfu International Airport "Ioannis Kapodistrias" () or Ioannis Kapodistrias (Capodistrias) International Airport is a government-owned airport on the Greek island of Corfu at Kerkyra, serving both scheduled and charter flights from European cities. Air traffic peaks during the summer season, between April and October.

Answer: September 2012