In you Hear America Singing Whitman rhapsodizes on?

wives and mothers. mechanics and laborers.

Walt Whitman

The most accurate answer is around the 1850s. There is no perfect date, though.

I, too, Sing America by Langston Hughes

when Walt Whitman expresses his awe at this America singing he is making a statement about human greatness by telling the reader that human achievement is not measured by what one does but instead by...