Editing Danville, Pennsylvania (section)

===20th century and beyond===
[[Abigail Geisinger]], widow of iron magnate George Geisinger, used his fortune to build a hospital and clinic intended to be a regional medical center modeled after the [[Mayo Clinic]]. The Geisinger Hospital was completed in 1915, and has grown over the years. Today, the [[Geisinger Medical Center]] is the most important tertiary referral center in northern Pennsylvania. Geisinger and its affiliated institutions are also one of the largest employers in the region.

In the early 1960s, local company Susquehanna [[Danville Airport]] produced [[airboat]]s for evaluation by the [[U.S. Army]]. Susquehanna was a joint venture between Ken Burrows-owned Danville Airport of Danville and Mari-Mar Industries of [[Port Trevorton, Pennsylvania]].<ref>{{cite news |title=Pennsylvania Boats Go To Viet Nam War |url=https://www.newspapers.com/image/10534879/ |work=The Progress |date=July 17, 1965 |location=[[Clearfield, PA]] |page=13}}</ref> The airboats, called Susquehanna Skimmers, were evaluated in [[Vietnam]] between June 1964 and late 1965. The six Skimmers competed with six [[Hurricane Aircat]]s, made by the Hurricane Fiberglass Products Company of [[Auburndale, Florida]].<ref>{{cite web |title=Vietnam Airboats -- Book Review |website=VietnamGear.com |access-date=July 11, 2018 |date=October 13, 2008 |url=http://www.vietnamgear.com/Article.aspx?Art=148}}</ref> The Skimmer lost to the Aircat, which was found to be more durable, easier to maneuver, and have greater obstacle crossing capabilities than the Susquehanna Skimmer, although the Skimmer outperformed the Aircat in deep water.<ref>{{cite tech report |editor-first=Samuel |editor-last=Enfield |editor2-last=Burr |editor2-first=R. |editor3-last=Badgett |editor3-first=R. |title=Airboats |number=R-1590.0 |institution=Army Concept Team in Vietnam |date=April 15, 1966  |url=http://www.dtic.mil/dtic/tr/fulltext/u2/372880.pdf |archive-url=https://web.archive.org/web/20200803080325/http://www.dtic.mil/dtic/tr/fulltext/u2/372880.pdf |url-status=dead |archive-date=August 3, 2020 |location=San Francisco |via=[[DTIC]] |page=B-1}}</ref>

The [[Thomas Beaver Free Library and Danville YMCA]], [[Danville Historic District (Danville, Pennsylvania)|Danville Historic District]], [[Danville West Market Street Historic District]], and [[General William Montgomery House]] are listed on the [[National Register of Historic Places]].<ref name="nris">{{NRISref|version=2010a}}</ref>

In 2014, Republican Bernie Swank replaced Democrat Ed Coleman as Mayor. Coleman was Mayor of Danville for 16 years. Swank defeated Democrat Tom Graham by 50 votes out of 682 votes cast. She previously served as mayor from 1989 to 1996.<ref>{{Cite web|url=http://www.dailyitem.com/the_danville_news/news/swank-gets-another-turn-as-danville-mayor/article_1ad759fd-9d6d-5d54-a323-2cfdbff53856.html|title=Swank gets another turn as Danville mayor|last=Blackledge|first=Karen|website=The Daily Item|access-date=2016-05-22}}</ref>

On January 22, 2022, a truck carrying about 100 [[Animal testing on non-human primates|lab monkey]]s collided with a dump truck along Route 54 near Danville, allowing four monkeys to escape. Three monkeys were later euthanized, while another remains missing. The truck was bound for a [[Centers for Disease Control]] (CDC) facility, leading to fears of a disease outbreak; several witnesses reported symptoms following their contact with the monkeys and were advised to quarantine by the CDC.<ref>{{cite news|first=Amanda|last=Eustice|title=CDC: Three monkeys caught and euthanized after crash near Danville|website=wnep.com|date=22 January 2022|url=https://www.wnep.com/amp/article/news/local/montour-county/one-monkey-still-on-the-loose-after-crash-near-danville-cdc-department-of-health-route-54-montour-county-pa-state-game-commission-primates/523-3012f35a-a398-4a05-aabc-11696e5b791c|access-date=23 January 2022}}</ref><ref>{{cite news |last=Lange |first=Stacy |date=January 24, 2022 |title=CDC: Monkeys posed a public health risk |url=https://www.wnep.com/article/news/cdc-monkeys-posed-a-public-health-risk/523-c4e5aff3-efa8-4420-ab15-ea7e8f69c712 |publisher=WNEP |accessdate=January 24, 2022}}</ref>