Stretching 440 miles from the Swiss border to the North Sea, the line of trenches, dug-outs and barbed-wire fences moved very little between 1914-1918, despite attempts on both sides to break through.

LANCASTER COUNTY, Pa. — Solanco High School took students out of the classroom and put them in the trenches for today’s unique lesson on WWI history. Instruction takes a deeper approach each ...