Slatington, which was incorporated in 1864:

• Was first home to the Leni-Lenape Native Americans, who lived along "Warriors Path", which is present-day Route 873, part of the borough's Main Street• Was home in 1737 to Nicholas Kern, the first white settler, who opened a sawmill. Later, two Welshman discovered slate and established the town's first slate quarry in 1845• Got its name due to its national importance as a center of slate quarrying and slate product manufacturing, providing employment for over 10,000 people in the slate industry• Is the blackboard capital of the United States of America, playing a crucial role in the education of millions around the world• Has a sister city in Fair Haven, Vermont, which is similar in its demographics and long and rich slate industry heritage• Annually holds the oldest Halloween parade in the commonwealth of Pennsylvania• Has two fireman statues listed on the National Register of Historic Places