Scientists created high-yielding crops that produced bigger harvests in what became known as the Green Revolution.

VOA: special.2011.02.22

An exploring party landed at Plymouth, in what became the Commonwealth of Massachusetts.

VOA: special.2009.11.23

It was during this time in New York that Woody wrote what became his most famous song, "This Land is Your Land."

VOA: special.2010.06.20

They heard what became one of the most famous speeches in American history.

VOA: special.2010.04.16

In eighteen sixty-three,he gave what became his best known speech.

VOA: special.2009.02.06