You can get a free burger this week. White Castle is offering a complimentary original slider on May 15 to commemorate National Slider Day. The restaurant chain, known for its mini hamburgers ...

White Castle is offering customers a free original slider on Thursday's National Slider Day. Customers can get a free slider from White Castle on Thursday with a downloaded coupon or with ...

COLUMBUS, Ohio, May 12, 2025 /PRNewswire/ -- White Castle, America's first fast-food hamburger restaurant and home to The Original Slider®, is recognizing National Slider Day on May 15 by ...

White Castle introduced National Slider Day in May 2015 to honor the slider. “The introduction of the Slider in 1921 helped turn White Castle into a household name and launched the fast-food ...

Fans of White Castle’s original slider are in for a free treat this week. On Thursday, the nationwide chain is celebrating the square beef burger, commonly known as a slider, which launched it ...