Valley Forge Lesson: Disease, Supplies, and Army Training

An effective Valley Forge lesson for Grades 6–8 should begin with a source question, not a picture of soldiers standing barefoot in snow: what was the Continental Army’s greatest challenge during the 1777–1778 encampment? Shortages mattered, and people endured real cold and hunger. But the familiar hardship story can obscure disease, military organization, and the changing readiness of the army.

The Valley Forge Dynamic History module asks students to compare the camp’s location, huts, food and clothing systems, illness, training, and departure. Pair it with Saratoga and the French Alliance to explain the war’s broader 1777–1778 context.

Begin with location and purpose

Washington chose Valley Forge for its strategic geography near British-held Philadelphia; the army needed a defensible place to observe the enemy and protect surrounding areas. The National Park Service camp history explains that this was an active military encampment, not simply a place where the army stopped fighting for winter.

Students draw a three-point diagram: British Philadelphia, Valley Forge, and surrounding supply areas. Then they write why the army could not camp too far away yet also could not invite a sudden British attack. Geography has explanatory value because it constrained decisions, not because a map makes the lesson colorful.

Separate supply trouble from the leading cause of death

Food and clothing shortages caused suffering and contributed to the camp’s vulnerability. But the National Park Service identifies disease as the major cause of deaths; its historical overview places the death toll near 2,000. Students should be cautious about photographs, later paintings, or simplified retellings that make freezing temperatures the single explanation.

A simple cause chart can distinguish shortage, exposure, illness, medical response, and reported deaths. Some conditions interact: inadequate nutrition can make illness harder to survive. Students need not pretend that only one factor was present to recognize which one the records identify as most directly deadly.

Use a contemporaneous diary or order as evidence

The National Park Service Valley Forge journals reproduce period accounts and orders about shelter construction, rain, clothing, inoculation, and camp life. Ask students to label each excerpt by speaker and date. One December complaint can establish that conditions were difficult for that observer; it does not by itself measure disease deaths across the entire six-month camp.

A practical three-source set combines a personal account, a broad camp history, and a geographic map. Students answer: which source is best for personal experience, which for comparing casualties, and which for showing strategic location? The point is not to rank sources from “good” to “bad,” but to match evidence to historical questions.

How did readiness change?

Training associated with Friedrich von Steuben contributed to a broader process of reorganization. Army members also drilled, constructed huts and defenses, supported medical care, and dealt with logistics. The question “Did one officer save the army?” is less useful than “Which changes increased the ability of soldiers to operate together?”

By June 1778 the army was preparing to pursue British troops leaving Philadelphia. Students can compare the mission on entering Valley Forge with the mission on departing, then explain both continuity and change.

A focused classroom activity and exit ticket

  • Opening: students write one belief they have heard about Valley Forge and label it “claim to test.”
  • Middle: teams examine one location map, one eyewitness statement, and one factual camp summary.
  • Comparison: students build an evidence table separating suffering, mortality, organization, and training.
  • Exit ticket: “Which Valley Forge hardship is best documented as the leading cause of death? What else made the winter difficult?”

Keep emotional and moral responses welcome, but grade evidence use. A student who writes “soldiers were cold, so they all died from exposure” has missed the central distinction even if the sentence sounds sympathetic.

Related Dynamic History modules

Continue the investigation

Sources and teacher background

These authoritative records support the historical details and offer additional classroom material; the lesson plans and activities above are original instructional suggestions.

Back to blog