African Union Summit kicks off

June 30: After a year of food shortages and riots disrupting the African continent, national leaders from across Africa will travel to the Egyptian resort town of Sharm el-Sheikh to discuss the rising food prices and food shortages. They will focus also on a renewed effort to increase Africa's potable drinking water supply.

Oklahoma's new illegal-immigrant law takes effect

July 1: Pending last-minute injunctions or lawsuits, Oklahoma's new statute denying government contracts to employers who do not check employee names against a national immigration database-and making it a felony to transport or harbor illegals-will take effect. The law also requires proof of citizenship to access certain state benefits.

Independence Day

July 4: A 232nd birthday isn't necessarily the sort of landmark anniversary that spawns historic celebrations. But when the fireworks fly for the United States' upcoming birthday, its citizens can still be proud that since the birth of the nation-and of modern representative democracy-in 1776, scores of nations have adopted a form of government of the people, by the people, and for the people. Today more than 120 nations operate under democratic rule.

Happy birthday, Mr. President

July 6: The summer of 2008 will be the summer of lasts for President George W. Bush. Already finished with his last European presidential tour, Bush will celebrate his 62nd and last birthday in office. Last year, Bush celebrated the day by accompanying his family to a Washington Nationals baseball game.

Wimbledon

July 6: When the British grass-court tournament of champions is over, will Roger Federer reign? The Swiss star has been nearly unbeatable on grass and is poised for his sixth straight trophy on Wimbeldon's center court. But coming off a French Open loss to 22-year-old Spanish rival Rafael Nadal, it could be the day for a record to be broken.

Apple's iPhone 3G goes on sale

July 11: Behold the iPhone revolution. Like the iPod before it, a price drop in Apple's newest gizmo could unleash the device to the masses. One year ago when Apple released the iPhone, customers lined up outside stores to get one of the slick touch-screen gadgets for $599. The newest model is an improved phone at just $199.