The hard work of this grassroots effort resulted in the first Earth Day on April twenty-second, nineteen seventy.

VOA: special.2010.04.21

As soon as the Civil War broke out and Lincoln called for volunteers in late April 1861, Uriah Parmelee dropped out of his Junior year at Yale and he joined the first regiment he could get into.

内战爆发时,林肯在1861年四月末召集志愿兵,大三的乌利亚从耶鲁辍学,好不容易入了伍

耶鲁公开课 - 美国内战与重建课程节选

Just before sunrise on April twelfth, eighteen sixty-one, the first shot was fired in the American Civil War.

VOA: special.2009.08.13

Apple says it sold one million iPads in April, the first month it offered the product.

VOA: special.2010.06.22

On April twenty-second, nineteen seventy, environmental activists organized the first ever Earth Day.

VOA: special.2010.01.17

On April seventh, nineteen fifty-nine, the space agency introduced the first American astronauts.

VOA: special.2009.06.10

The first Nancy Drew books were published in April of nineteen thirty.

VOA: special.2009.08.24

Here is part of the poem. (READER) The current Poet Laureate,Kay Ryan, opened this year's National Poetry Month April first with a videoconference call to four American community colleges.

VOA: special.2010.04.05

BP stopped the oil from billowing into the Gulf on Thursday, for the first time since the Deepwater Horizon oil rig exploded on April 20, killing 11 workers.

VOA: standard.2010.07.16

But a joint statement issued April 1 after the first meeting in London between presidents Obama and Medvedev said: "The relationship between offensive and defensive arms will be discussed by the two governments."

VOA: standard.2009.07.15

The two presidents met for the first time on the sidelines of the G-20 economic conference in London in early April and set in motion what Clinton says is an effort to raise the frequently contentious U.S.-Russian relationship to a higher level.

VOA: standard.2009.05.07

The decision to pursue talks , the treaty," replacing the START-1 treaty was reached during a London meeting earlier this month (April 3) between President Barack Obama and his Russian counterpart, Dmitri Medvedev - the first face-to-face meeting between the two leaders.

VOA: standard.2009.04.08