How has the composition of pennies changed over the years?
The original penny was 100 percent copper and was known as the Fugio cent. The Lincoln penny our current model first appeared in 1909 to mark the 100-year anniversary of Abe's birth. During World War II the composition of the penny was changed from 95 percent copper and 5 percent zinc and tin to zinc-coated steel because copper was needed for war efforts. ChaCha again!
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