Question: In which month is the anime convention, located in a development along the Potomac River in Oxon Hill, held?

Context articles: Oxon Creek
Sakura-Con
Maryland Route 414
Otakuthon
Oxon Hill, Maryland
Anime South
National Harbor, Maryland
Samuel DeButts
Anime North
Katsucon

Oxon Creek is a cove on the Potomac River which straddles the border between Washington, D.C. and Prince George's County, Maryland just north of Interstate 495 (Capital Beltway) at Woodrow Wilson Bridge.
 The tributary stream is Oxon Run.
 Oxon Creek is 1.5 mi in length and empties into the Potomac at Goose Island (a sand bar often under water) across from the city of Alexandria, Virginia.
 To the north is the Blue Plains Advanced Wastewater Treatment Plant and to the south the Oxon Cove Park.
 The Anacostia Freeway crosses it on a bridge.
 To the east is Oxon Hill Manor.
 The unusual spelling is either historical or a reference to Oxfordshire, England.
Sakura-Con is an annual three-day anime convention held during March or April at the Washington State Convention Center in Seattle, Washington.
 The convention, which is traditionally held over Easter weekend, is the largest anime convention in the Northwest and is the 9th largest North American anime convention as of 2016.
 It is organized by the volunteer Asia-Northwest Cultural Education Association (ANCEA).
Maryland Route 414 (MD 414) is a state highway in the U.S. state of Maryland.
 The highway runs 5.64 mi from the beginning of state maintenance near Oxon Hill east to MD 5 in Silver Hill.
 MD 414 connects the inner suburbs of Oxon Hill, Marlow Heights, and Silver Hill and provides access to National Harbor.
 The highway was constructed through Oxon Hill and Marlow Heights in the early 1930s.
 MD 414 was extended through Silver Hill along the old alignment of MD 5 when that highway bypassed Silver Hill in the early 1950s.
 The highway was expanded to a divided highway between Marlow Heights and Silver Hill in the early 1970s, around its interchange with Interstate 95 and I-495 in the early 1980s, and around MD 210 in Oxon Hill in the late 1980s.
 MD 414 was reconstructed around MD 210 again in the mid-2000s with the construction of National Harbor and the new Woodrow Wilson Bridge.
Otakuthon is Quebec's largest anime convention promoting Japanese animation (anime), Japanese graphic novels (manga), related gaming and Japanese pop-culture (music, cinema, television).
 It is held annually for 3 days in downtown Montreal during a weekend in the summer months.
 It is a non-profit, fan-run anime convention that was initiated by Concordia University's anime club, named "Otaku Anime of Concordia University" ("Otaku Anime" for short).
 The name "Otakuthon" is a portmanteau of the Japanese word ""otaku"" and "marathon".
 Otakuthon strives to be a bilingual (French and English) event, having programming, the masquerade, and the program book in both official languages.
 The first edition of Otakuthon was held in 2006 in mid June, but later moved to early-mid August / late July from 2007 onward.
 The most recent convention, Otakuthon 2017, was held on August 4-6, 2017 at the Palais des congrès de Montréal.
 The convention is the 12th largest anime convention in North America as of 2017.
Oxon Hill is an unincorporated area and census-designated place (CDP) in southern Prince George's County, Maryland, United States.
 Oxon Hill is a suburb of Washington, D.C., located southeast of the downtown district and east of Alexandria, Virginia.
 It contains the new 300 acre National Harbor development on the shore of the Potomac River.
Anime South was a three-day anime convention held in the city of Pensacola, Florida.
 The convention also has the distinction of being the first anime convention to garner its seed money from a small number of contributors who desired an anime convention in the area.
National Harbor is a development along the Potomac River in Oxon Hill, Prince George's County, Maryland just south of Washington, D.C. near the Woodrow Wilson Bridge.
 It originated as a 300 acre multi-use waterfront development.
 The development was delineated as a census-designated place for the 2010 census, at which time its population was 3,788.
Samuel DeButts was a prominent Washington, D.C. area physician in the early 1800's.
 He acquired his plantation, Mt. Welby, just south of D.C. along the Potomac River in 1811.
 Today, Mt. Welby is part of the Oxon Cove and Oxon Hill National Park, and the DeButts home is occupied by the park service as the park's offices.
Anime North (AN) is a non-profit, fan-run anime convention, held every year in Toronto, Ontario, Canada.
 The convention is the 4th largest North American anime convention as of 2016.
 Its major attractions, activities and events include a Masquerade, a Dealers Room, an Artists Alley, Guest of Honor presentations, Gaming (Video and RPG), Panel Discussions, Video Presentations, Contests, and Dances.
 The largest anime convention in Canada by attendance numbers and located near Toronto Pearson International Airport, AN is hosted in 6 venues: at the Toronto Congress Centre, the Doubletree International Plaza Hotel, the Sheraton Toronto Airport Hotel (formerly called the Renaissance Toronto Airport Hotel and Conference Centre), the Crowne Plaza Hotel, the Radisson Suites Hotel and the Airport Holiday Inn Hotel (for the Friday Moonlight Ball), all of which are within walking distance of one another.
 Convention-run shuttle buses are available during daytime and the evening to connect the venues.
Katsucon is an annual three-day anime convention held during February at the Gaylord National Resort & Convention Center in National Harbor, Maryland.
 It is traditionally held in February over Presidents Day weekend and was previously held in various locations around Virginia and Washington, D.C. The basis for the convention's name is unclear as "katsu" has several possible translations from Japanese (including breaded meat cutlet/pork.)
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 That being said, the Kanji symbol they have chosen to use as part of their official logo would translate as one or all of the following: "lively", "resuscitation", "being helped" or "living".