|•Glenglade post office established with Merton A Davis as postmaster.|
|•Glenglade is a lumber camp of 13 houses on Blacklick Creek.|
•Dr. James Dunwiddie opens the first mine in Glenglade.
|•A Pennsylvania Railroad line comes to town to haul coal.|
|•Lincoln Mine begins operation.|
|•Post office changes name from Glenglade to Nant-Y-Glo.
•The first church begins Methodist Episcopal.
|•St. Mary’s Roman Catholic Church established.|
|•Springfield Mine opens.|
|•Electricity available via plant operated by John and Harry Conrad.|
|•Emma Coal Company begins operation.|
|•First Baptist Church begins.
•Nanty Glo Volunteer Fire Company established.
|•Heisley, Nanty Glo’s greatest mine, opened by Coleman & Weaver Coal Company.|
|•Nanty Glo incorporated as a borough independent of Blacklick and Jackson Townships.
•A fourth-class school is established.
|•St. Nicholas Byzantine Catholic Church begins (formerly known as “Greek Catholic”).|
|•Church of God and Kingdom Hall of Jehovah’s Witnesses established.
•(Or early 1921) Newspaper, Nanty Glo Bulletin starts publication.
|•Herman Sedloff buys the Bulletin, renames and publishes first edition of the Nanty Glo Journal May 5.
•Christian Missionary Alliance and Holy Ascension Ukrainian Orthodox churches established.
|•Church of the Brethren established.|
|•First four-year class of Nanty Glo High School graduates.|
|•Ladies Auxiliary of Nanty Glo Volunteer Fire Company begins with 44 members.|
|•Church of the Nazarene established.|
|•Nanty Glo population is 5,500.|
|•Nanty Glo and Vintondale schools form a joint school district.|
|•Blacklick Township joins Nanty Glo-Vintondale to form Blacklick Valley School District.|
|•July 20, a major flood does much damage in Nanty Glo and other area towns, including Johnstown (where dozens of lives are lost), and Vintondale.|
|•Nanty Glo Public Library established.|
|•Ghost Town trail dedicated; a public parkway biking/hiking/ski trail on the former Pennsylvania Railroad/Cambria & Indiana Railroad right-of-way, extending from Nanty Glo to Dilltown and White Mill.|
|•Nanty Glo Home Page established on worldwide web, September 20.|
|•Nant-Y-Glo tri-Area Museum and Historical Soci founded, May 11.|
|•Nanty Glo population is estimated at 2,775 by U.S. Census Department.|