Skip to content
Explore the rich culture and history of Westmoreland County


  • November 12th, 1758
  • February 26th, 1773
  • October 1846
  • May 24th, 1854
  • August 1882
  • June 7th, 1902
  • September 14th, 1907
  • April 13th, 1934
  • November 28th, 1939
  • July 3rd, 1976
  • December 1956
  • July 1988
  • July 1991
  • April 24th, 1995
  • October 1995
  • May 1997
  • June 15th, 2002
  • 2014
  • October 2019
  • Fort Ligonier

    The Friendly Fire Incident, a traumatic, but pivotal, event in the history of George Washington and Fort Ligonier. Washington’s life came close to danger when in the confusion of a foggy morning, his own troops began firing at one another, nearly missing him in the process.
  • Westmoreland Historical Society & Historic Hanna’s Town

    Hanna’s Town named by the Penn government to serve as the first county seat. Westmoreland was the last county formed by the Penn government and the first one located entirely west of the Allegheny Mountains.
  • Saint Vincent College

    Saint Vincent Archabbey and College was founded by Boniface Wimmer, a monk from the Benedictine Abbey of Metten in Bavaria. From modest beginnings the college grew rapidly, and on April 18, 1870, the State Legislature of Pennsylvania incorporated the school.
  • Latrobe Historical Society

    Latrobe was incorporated as a borough.
  • Sisters of Charity of Seton Hill Archives

    The Sisters of Charity of Seton Hill, founded in Altoona in 1870, purchased the Jennings Farm in Greensburg. Seton Hill, as it became known, would serve as the new permanent home of the sisters and as the future site of Seton Hill University.
  • Trafford Historical Society

    The Great Land Rush in Trafford when a new industrial town was born in a single day with 722 building lots being sold.
  • Stahlstown Flax Scutching Festival

    4,000 people, as well as 1,500 horses and 900 vehicles, attend the first Stahlstown Flax Scutching Festival. Greensburg attorneys A.H. Bell and D.S. Atkinson, as well as Honorable E.E. McAdoo of Ligonier give addresses.
  • Westmoreland Homesteads: Norvelt Historical Society

    254 houses were built to create Norvelt, Pennsylvania.
  • Mount Pleasant Public Library

    The Mount Pleasant Public Library opened its doors to the community with a collection of 1,000 books.
  • Westmoreland Arts and Heritage Festival

    The Westmoreland Arts & Heritage Festival moved from an October event at Seton Hill College to a summer celebration at Twin Lakes Park. In 1976, the Festival celebrated its second year as a two date event. It has grown to four days and for many people it is a tradition to attend.
  • Overly’s Country Christmas®

    Overly’s Country Christmas® begins. A nonprofit Westmoreland staple for decades, Overly’s has grown from humble beginnings at the home of Harry Overly in 1956, to a county-wide holiday tradition today.
  • Apple Hill Playhouse

    Temperatures topped 100 degrees. Apple Hill Playhouse was Apple Hell for actors and patrons. Air conditioning was installed and Apple Hill became “the coolest” barn theater in Delmont.
  • Ligonier Valley Writers

    Ligonier Valley Writers published its first issue of the Loyalhanna Review, a magazine that prioritizes writing and art by Westmoreland County residents and publishes photos of local subjects in every issue.
  • Lincoln Highway Experience

    PA Gov. Tom Ridge designates the Lincoln Highway Heritage Corridor. The 6-county, 200-mile Heritage Area celebrates the one road that changed America forever, and launched the tourism industry with filling stations, places to eat and sleep.
  • Greater Latrobe Laurel Valley Regional Chamber of Commerce

    Fred Rogers and Arnold Palmer, together, were awarded the Chamber of Commerce Community Service Award.
  • Derry Area Historical Society

    The Derry Area Historical Society (est.1995) purchases and begins the restoration of the 1817 log tavern and eventual historical society home, The Fulton House.
  • Latrobe Art Center

    Latrobe Art Center is founded by Mrs. Nancy “Laney” Rogers Crozier & Mrs. Elizabeth Hazlett at 819 Ligonier Street, Latrobe, PA in the former Kamps Shoe Store in downtown Latrobe. Consisting of one storefront gallery, it initially opened as a gallery space for artwork created by the Latrobe Art League.
  • Norwin Historical Society

    The Norwin Historical Society produced a 181-page, hard-bound book, Then and Now, to celebrate Irwin’s 150th Anniversary.  The full-color publication documented the birth of Irwin, its people, places, and memories. Over 75 residents from around the area and beyond provided information, photos, maps, stories, and invaluable support.
  • Brandywine Conservancy: Penguin Court & Thomas Road Farm

    Penguin Court coordinated and hosted the first Pennsylvania Master Naturalist (PMN) training program in the Laurel Highlands.  PMN seeks to train and develop a corps of volunteers who offer education, outreach and service focused on local ecosystems and who may become leaders in their communities.


Whether you’re looking to immerse yourself in rich history, experience a live performance, take in local communities, or find a new favorite place, there are a variety of locations in Westmoreland County. Visit many of them as a part of the Westmoreland Heritage Passport Contest.