Archaeologists said Wednesday they believe they have found the exact spot in Rome where Julius Caesar was stabbed to death on March 15, 44 BC.

The stabbing of the dictator by Roman senators was recorded by ancient historians and dramatized by William Shakespeare who gave Caesar the last words: "Et tu Brute? Then fall, Caesar."

Greater efforts must be made to protect girls in Afghanistan, where nearly half are married as child brides and almost one in six weds before they turn 15, the United Nations said Thursday.

"Early marriage is a fundamental violation of human rights and impacts all aspects of a girl's life," a group of U.N. organisations said in a statement to mark the International Day of the Girl Child.

Roy Lichtenstein, the American painter whose comic book-inspired canvases gave the Pop Art movement some of its most vivid images, is getting his first major retrospective since his death 15 years ago.

Beginning Sunday, the National Gallery of Art in Washington will be exhibiting 130 of his paintings, drawings and sculptures, reflecting a long and prolific career that ended when he passed away at the age of 73.

Pope Benedict XVI on Wednesday pronounced a blessing in Arabic at his weekly audience in front of 20,000 pilgrims on St. Peter's Square -- the first time the language has been used at such an event.

"The pope prays for all Arabic speakers. May God bless you all!" the pope said in Arabic at the audience, after a bishop read out an Arabic translation of the pope's comments praising the results of the Second Vatican Council.

In the Nepalese hamlet of Simen, five days' walk from the nearest town, children pay for schooling with wood or animal dung, and life appears untouched by modernity -- but change is coming.

Just two valleys away in Dho Tarap village, business is booming and satellite dishes that beam in American wrestling are set up beside traditional prayer flags as the high Himalayan landscape of Upper Dolpa opens up to the outside world.

Fifty years after the Cuban missile crisis, Havana remains virulently hostile to the United States, which reciprocates by maintaining a crippling economic embargo against the communist-ruled island.

Despite the passage of time, official speeches from the Castro regime and state-controlled media still refer to the superpower 90 miles (145 kilometers) across the Florida Strait as "the enemy" or "the Northern empire."

Once a sign of Iraq's cultural revival after decades of conflict, the Baghdad International Film Festival ended on a sour note Sunday with complaints of poor organisation and a lack of funds.

Several prominent directors were absent, there was a palpable lack of resources, and obvious disinterest from the government as the five-day festival drew to a close on Sunday night.

The largest exhibition of modern Aboriginal paintings ever to go on display outside of Australia opens Tuesday at the Quai Branly Museum in the heart of Paris.

"The Sources of Aborigine Painting" features more than 200 works of art, and decorated artifacts, like shields, from which the abstract painting style derives.

London's Tate Modern was temporarily closed on Sunday after a mural by U.S. modern artist Mark Rothko was defaced by black paint, the gallery said.

The gallery shut for a short time at around 3.25pm (1425 GMT) after the damage was found on the corner of one of the Rothko's Seagram murals.

A massive crowd that organizers said topped a million took part Sunday in a pilgrimage to Lujan, one of Argentina's key symbols of its majority Roman Catholic faith.

"Today, we have come to ask for something: for her to teach us to work for justice," Buenos Aires Archbishop Cardinal Jorge Bergoglio said at a mass outside the cathedral in Lujan, home of a celebrated icon of the Virgin Mary.