This week in our series, Kay Gallant and Harry Monroe continue the story of American conservatism during the nineteen twenties.

VOA: special.2011.01.13

Radio was extremely popular in the United States between the late nineteen twenties and the early nineteen fifties.

VOA: special.2010.01.31

Planning for the bridge began in the nineteen twenties when the area around San Francisco was growing.

VOA: special.2010.07.23

He collected thousands of songs in the nineteen twenties, thirties and forties to save for future generations.

VOA: special.2010.01.25

In the nineteen twenties, American Claude Beck performed the first surgical operations to repair damaged hearts.

VOA: special.2009.08.11

Three years later,he killed himself. In the late nineteen twenties, Isadora Duncan's dancing career was over.

VOA: special.2010.08.29

By the middle of the nineteen-twenties, there were two main radio networks in the United States.

VOA: special.2010.01.31

In the early nineteen twenties, Louis B.Mayer Pictures joined two other companies to form Metro-Goldwyn-Mayer.

VOA: special.2009.05.31

He says John Fitz Gerald, a writer for a New York newspaper, used the name The Big Apple to mean New York in the nineteen twenties.

VOA: special.2009.12.27

That movement had helped women gain the right to vote in the nineteen twenties.

VOA: special.2009.10.18

In the last years of the nineteen twenties, hundreds of record flights were made.

VOA: special.2010.05.26

In the late nineteen twenties, Hubble studied the movement of galaxies through space.

VOA: special.2009.04.29

The nineteen twenties are remembered as a quiet period in American foreign policy.

VOA: special.2011.02.03

The Shaker religious community at Hancock,Massachusetts, built one in the eighteen twenties.

VOA: special.2009.12.29

Edwin Hubble made his most important discoveries in the nineteen twenties.

VOA: special.2009.04.29

And they continued to re-elect him. In this way, the conservative Republican policies of the nineteen twenties changed to the more progressive policies of Roosevelt in the nineteen thirties.

VOA: special.2011.05.19

Butler won two national titles -- back in the nineteen twenties.

VOA: special.2010.04.10

Bing Crosby started to sing professionally in the nineteen twenties.

VOA: special.2009.03.16

And they were part of this very exciting groundbreaking work in the nineteen tens, twenties,thirties, into the forties and beyond, of showing the United States what it was,what it had in terms of grassroots cultural heritage.

VOA: special.2010.01.18