<P> A food pyramid or diet pyramid is a triangular diagram representing the optimal number of servings to be eaten each day from each of the basic food groups . The first pyramid was published in Sweden in 1974 . The 1992 pyramid introduced by the United States Department of Agriculture ( USDA ) was called the `` Food Guide Pyramid '' . It was updated in 2005 , and then it was replaced by MyPlate in 2011 . </P>
<P> A food pyramid or diet pyramid is a triangular diagram representing the optimal number of servings to be eaten each day from each of the basic food groups . The first pyramid was published in Sweden in 1974 . The 1992 pyramid introduced by the United States Department of Agriculture ( USDA ) was called the `` Food Guide Pyramid '' . It was updated in 2005 , and then it was replaced by MyPlate in 2011 . </P>
when did the first food pyramid come out
when did the first food pyramid come out
1974
1974