Question: Silliman University was named after a businessman from the town added to the National Register in what year?

Context paragraphs:
List of historic properties in Bisbee, Arizona: This is a list of historic properties in Bisbee, Arizona, which includes a photographic gallery of some of the town's historic structures.  The majority of these structures are located in the Bisbee Historic District which was added to the National Register of Historic Places on July 3, 1980, reference #80004487.  Others are located in the Bisbee Residential Historic District which was added to the National Register of Historic Places on October 15, 2010, reference #10000233.  Also included are the photographs of individual properties identified as historic by the National Register of Historic Places.  These include the Phelps Dodge Headquarters Building, the Muheim House, the Bisbee Women’s Club House, St. Patrick’s Roman Catholic Church and the Walter Douglas House.

Roel Degamo: Roel Degamo (born April 29, 1966) is a Filipino politician currently serving as Governor of the Province of Negros Oriental.  Born in Bonawon, Municipality of Siaton in the same province.  He graduated from St. Louis School - Don Bosco in Dumaguete City, and earned his college degree from Silliman University in 1989 where he majored in Mechanical Engineering.  He took the license examinations in the same year and passed.  Degamo's involvement in politics started when he ran and got elected as councilor in the Municipality of Siaton, serving three consecutive terms from 1998 to 2007.  He served as president of the Provincial Councilors League (PCL) of Negros Oriental from 2004 to 2007, giving him a seat in the Provincial Board, the Provincial Government's legislative body.  He was also elected as Region VII chairperson which also entitled him to a seat in the National Board of the Philippine Councilor's League.

Silliman University: Silliman University (also referred to as Silliman or SU) is a private research university in Dumaguete, Negros Oriental, Philippines.  Established in 1901 as "Silliman Institute" by the Presbyterian Board of Foreign Missions, it is the first American university in the Philippines and the entire Asian continent.  The university is named after Dr. Horace Brinsmade Silliman, a retired businessman and philanthropist from Cohoes, New York who gave the initial sum of $10,000 to start the school.  Starting as an elementary school for boys, the school expanded to become a college in 1910, acquiring university status in 1938.  For the first half of the 20th century, Silliman was run and operated by Americans.  After the Second World War Filipinos began to assume more administrative positions, culminating in the appointment of Silliman's first Filipino president in 1952.

Downtown Cohoes Historic District: The Downtown Cohoes Historic District takes up 35 acre of the city of Cohoes, New York, United States.  Many of the 165 contributing properties date from the 1820-1930 period when the Erie Canal and Harmony Mills were the mainstay of the city's economy.  It was recognized as a historic district and added to the National Register of Historic Places in 1984.  After years of neglect and decline, it has recently started to see an upswing in business activity due to its historic character and the city's efforts to protect it.

Fredericksburg Historic District (Texas): The Fredericksburg Historic District is located in Fredericksburg, Texas in Gillespie County.  It was added to the National Register of Historic Places in Texas on October 14, 1970 The district area coincides with the original platting of the town by Herman Wilke, and the streets are laid out in a wide grid.  The district is bordered approximately on the north by Schubert Street and the south by Creek Street, on the west by Acorn Street and the east by Elk Street.  It encompasses one contributing object (sculpture of John O. Meusebach), 367 contributing buildings and 191 non-contributing buildings.  Many of the buildings in the historic district have been designated either a Recorded Texas Historic Landmark, and/or added to the National Register of Historic Places listings in Texas.

Round barns in Illinois: Round Barns in Illinois Thematic Resources is the title of a Multiple Property Submission to the National Register of Historic Places in the U.S. state of Illinois.  The submission consists of 18 Illinois round barns located throughout the state.  The list had major additions in 1982 and 1984.  In 1983, 1992 and 2003 one property was added to the submission and in 1994 a historic district at the University of Illinois, including three round barns, was added to the submission and the National Register of Historic Places.  The highest concentration of round barns on the submission occurs in Stephenson County.  Five Stephenson County round barns were added to the National Register on February 23, 1984.

Foster Center, Rhode Island: Foster Center is a village in the town of Foster, Rhode Island, United States.  It was listed as a census-designated place (CDP) in 2010, with a population of 355.  Historic elements of the village are included in the Foster Center Historic District, which is listed on the National Register of Historic Places.  The district features various colonial and Greek Revival houses as well as the still functioning town building from the late 18th century.  The district was added to the National Register of Historic Places on May 11, 1974.

Bull's Bridge: Bull's Bridge is a single-lane vehicular wooden covered bridge across the Housatonic River in the town of Kent, Connecticut, close to the state border with New York.  The first instance of a bridge at this location was constructed by Jacob and Isaac Bull in 1760, which gave the bridge its name.  Popular legend suggests that George Washington crossed the bridge with the Bulls' assistance while still under construction.  The current bridge was built in 1842 from timber, with additional supports added in the 19th and 20th centuries.  Built with a Town lattice design, the bridge has reinforced trusswork visible on the interior.  At the time of its nomination to the National Register of Historic Places the roof had wood shingles.  It is historically significant as one of three surviving covered bridges in Connecticut, and was listed on the National Register of Historic Places in 1972.

Ashland Mill Bridge: The Ashland Mill Bridge was a lenticular pony truss bridge over the Pachaug River in Griswold, Connecticut that was built in 1886 by the Berlin Iron Bridge Company.  It was built following the Ashland dam break of February 1886 which washed away the previous bridges.  The bridge served the millyard of the Ashland Cotton Company, in the Jewett City section of Griswold.  The bridge was 65 ft long and crossed a millrace on a skew angle.  The Ashland Mill was damaged by arson in March 1994 and subsequently torn down, but the bridge itself remained.  By 1999, the town deemed the bridge unsafe and closed it, and by February 1999, the bridge was moved to a vacant parking lot and was replaced with a new bridge.  The bridge was added to the state of Connecticut historic register and it was later added to the National Register of Historic Places in April 1999.  It was removed from the National Register in February 2016.

Renke and Wubke Renken House: The Renke and Wubke Renken House, also known as the R.G. Renken Estate, is a historic residential building located in Parkersburg, Iowa, United States.  The two-story, brick, Italianate style house was designed by F.M. Ellis and completed in 1884.  The wrap-around porch, added in 1901, is influenced by the emerging Queen Anne style.  The house was built for R.G. Renken, a native of Lehr, Germany who emigrated to the United States in 1870 and settled in Parkersburg the following year.  He and his brother-in-law Fritz Tammen became partners in a successful general merchandise and clothing store named Renken and Tammen.  Later on Renken became involved in banking and with Charles Wolf, whose house is also on the National Register, managed the community's finances.  He also held the positions of school board treasurer and town recorder.  Renken contributed $10,000 in 1898 to build the community's first electric power plant, Parkersburg Electric Light & Power Company.  He served as one of the power plant's directors.  The house was listed to the National Register of Historic Places in 2014.

Supporting paragraphs: Silliman University Downtown Cohoes Historic District
Answer: 1984