For many Americans, summer is a time to put on swim wear and spend time at the sea or a lake.

VOA: special.2010.06.08

It was the first time a presidential election was held on the same day in all parts of the country.

VOA: special.2009.03.12

This time,it happened while he was working on a railroad with men who did rough work and looked rough.

VOA: special.2010.08.01

There they leave their eggs on milkweed plants, with the next generation of monarchs appearing a short time later.

VOA: special.2010.04.27

At the time, she was searching for a way to make a material strong enough to use on automobile tires.

VOA: special.2010.02.09

Study leader Pooja Tandon says even small calorie reductions on a regular basis can prevent weight gain over time.

VOA: special.2010.01.27

She became a full-time nurse for the wounded on their way from the fields of battle to the hospital.

VOA: special.2009.07.26

But at one time, some businesses refused to employ people who were on a blacklist for belonging to unpopular organizations.

VOA: special.2009.11.15

I'm Mario Ritter. This week on our program, we take a look at some scary movies, just in time for Halloween...

VOA: special.2010.10.29

That is the amount of time it took Associated Press photographer Joe Rosenthal to capture a historic image on film.

VOA: special.2010.05.31

He pointed. Its exactly in that direction. This time the reporter saw a small thing on the edge of the moving horizon.

VOA: special.2010.03.06

From that time on, the San Francisco policemen showed respect to Joshua Norton by giving a military salute.

VOA: special.2009.12.14

The surprise visit came at a time when the United States and other countries have been putting more pressure on North Korea.

VOA: special.2009.08.08

Many people think that the Industrial Revolution was the first time people began to have a major effect on the earth's ecology.

VOA: special.2011.04.26