Question: Charlestown State Park was once part of an annumition plant built in what year?

Context paragraphs:
Sundergarh: Sundergarh(Odia: )is a town in Sundergarh district of the Indian state of Odisha.  s of 2011 census, the municipality had a population of 45,036.  Sundargarh is recognized as an industrial district in the map of Odisha.  Steel Plant, Fertilizer Plant, Cement factory, Ferro Vanadium Plant, Machine building factory, Glass and china clay factory and Spinning mills are some of the major industries of this District.  Sundargarh occupies a prominent position in the mineral map of Odisha and is rich in iron ore, limestone, manganese, dolomite, and fire clay.  Major industries are the Odisha Cements ltd, Hart Fertilizers Ltd, and Odisha Industries Ltd.  The industrial town of Rourkela in this District has the first government sector plant built with foreign collaboration and was the first in India to use LD oxygen technology.

Charlestown State Prison: Charlestown State Prison was a correctional facility in Charlestown, Boston, Massachusetts operated by the Massachusetts Department of Correction.  The facility was built at Lynde's Point, now at the intersection of Austin Street and New Rutherford Avenue, and in proximity to the Boston and Maine Railroad tracks that intersected with the Eastern Freight Railroad tracks.  Bunker Hill Community College occupies the site that the prison once occupied.

Indiana Army Ammunition Plant: The Indiana Army Ammunition Plant was an Army manufacturing plant built in 1941 between Charlestown and Jeffersonville, Indiana.  It consisted of three areas within two separate but attached manufacturing plants:

Saratoga Automobile Museum: The Saratoga Automobile Museum is located in the Saratoga Spa State Park in Saratoga Springs, New York.  Housed in a former bottling plant built in 1935, the Saratoga Automobile Museum is a non-profit educational institution focusing on the impact of the automobile in the past, present and future in New York and the wider world.  Its curator is Ken Gross.

Hook Mountain State Park: Hook Mountain State Park is a 676 acre undeveloped state park located in Rockland County, New York.  The park includes a portion of the Hudson River Palisades on the western shore of the Hudson River, and is part of the Palisades Interstate Park system.  Hook Mountain State Park is functionally part of a continuous complex of parks that also includes Rockland Lake State Park, Nyack Beach State Park, and Haverstraw Beach State Park.

Charlestown State Park: Charlestown State Park is an Indiana state park on 5100 acre in Clark County, Indiana, in the United States.  The park is on the banks of the Ohio River, 1 mi east of Charlestown.  It was once part of the Indiana Army Ammunition Plant (INAAP), and was donated in separate parcels to the Indiana state government.  In 1993, the state of Indiana was given 859 acre , and in 1994 was given an additional 1125 acre .  When the park opened in 1996, it encompassed 2400 acre .  With an additional 2600 acre given by the INAAP in 2004, the park has 5100 acre , making it the third largest state park in Indiana.  The park attracts 131,000 people a year.

Devil's Backbone (rock formation): Devil's Backbone is a rock formation and peninsula formed by the flow of Fourteen Mile Creek into the Ohio River, and is currently situated in Charlestown State Park near Charlestown, Indiana and across the Ohio River from Louisville, Kentucky.  According to local legend, on this bedrock ridge once stood a stone fortress that was built by Welsh explorers led by Prince Madoc sometime in the 12th century.

Galena Nuclear Power Plant: The Galena Nuclear Power Plant was a proposed nuclear power plant to be constructed in the Yukon River village of Galena in the U.S. state of Alaska.  If it had been built in the projected time frame, it would have been the first non-military nuclear power plant built in Alaska to be utilized for public utility generation.

Crystal River 3 Nuclear Power Plant: The Crystal River 3 Nuclear Power Plant, also called the "Crystal River Nuclear Plant", or simply "CR-3", is a closed nuclear power plant located in Crystal River, Florida.  The facility is currently being decommissioned and is transitioning to a SAFSTOR condition.  The power plant was completed and licensed to operate in December 1976, and operated safely for 33 years until shutdown in September 2009.  It was the third plant built as part of the 4700 acre Crystal River Energy Complex (CREC) which contains a single nuclear power plant, while sharing the site with four operational fossil fuel power plants.

Devil's Den State Park: Devil's Den State Park is a 2500 acre Arkansas state park in Washington County, near West Fork, Arkansas in the United States.  The park was built by the Civilian Conservation Corps beginning in 1933.  Devil's Den State Park is in the Lee Creek Valley in the Boston Mountains which are the southwestern part of The Ozarks.  The park, with an 8 acre CCC built lake, is open for year-round recreation, including, hiking, mountain bike and equestrian trails.  Devil's Den State Park also has several picnic areas, a swimming pool, cabins and camping site ranging from modern to primitive.  Fossils of coral and crinoids can be found along the banks and within Lee Creek at Devil's Den State Park.

Supporting paragraphs: Charlestown State Park Indiana Army Ammunition Plant
Answer: 1941