But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

In two thousand seven, the Yankees signed a ten-year contract with Alex Rodriguez for a record two hundred seventy-five million dollars.

VOA: special.2010.07.26

In nineteen eighty-two, a British scientist shared the Nobel Prize in Medicine in part for discovering how aspirin works.

VOA: special.2009.10.20

But he was a serious newsman, and in nineteen fifty-two he led CBS' coverage of the national political conventions.

VOA: special.2009.08.16

In nineteen forty-two, orchestra conductor Andre Kostelanitz asked composer Aaron Copland to write a piece of music about Abraham Lincoln.

VOA: special.2011.02.07

Ten years later,in nineteen seventy-two, an engineer named Nolan Bushnell and a programmer,Ted Dabney, started the Atari company in California.

VOA: special.2011.02.23

And even in the conservative grain-farming states, two hundred thousand farmers joined a group that called for major economic changes.

VOA: special.2010.12.09

In eighteen ninety-two, workers at a Carnegie Steel mill in the nearby town of Homestead went on strike.

VOA: special.2009.07.13

This opera was first performed in nineteen forty-two at a center for Jewish children without parents in Prague,Czechoslovakia.

VOA: special.2009.10.05

And on September twenty-second, eighteen sixty-two, he announced a new policy on slavery in the rebel southern states.

VOA: special.2009.10.08

In the summer of eighteen fifty-eight, two candidates campaigned across the state of Illinois for a seat in the United States Senate.

VOA: special.2009.06.11

The Census Bureau says that in two thousand seven, thirty-six and a half million people in the United States claimed Irish ancestry.

VOA: special.2009.03.16

On December first, nineteen fifty-five, in the southern city of Montgomery,Alabama, a forty-two year old black woman got on a city bus.

VOA: special.2009.03.08

In eighteen seventy-two, a famous American word expert decided that the time had come to kill this word.

VOA: special.2010.08.08