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From today's featured article Surrendered Yugoslav troops handing in their weapons The 7th Army was a Royal Yugoslav Army formation, raised three days before the German-led invasion of Yugoslavia of 6 April 1941, during World War II. On the first day of the invasion, the army's commander Dušan Trifunović was alarmed when the 4th Army, on the right flank of the 7th, was undercut by fifth column activities by Croats within its major units and higher headquarters. The Germans captured Maribor two days later and expanded their bridgeheads, supported by the Luftwaffe. On 10 April, the German 14th Panzer Division captured Zagreb. Italian offensive operations began the following day, with thrusts towards Ljubljana and down the Adriatic coast, capturing more than 30,000 Yugoslav troops near Delnice. When fifth column supporters of the Croatian nationalist Ustaše movement arrested the headquarters staff of the 7th Army later that day, the formation effectively ceased to exist. On 12 April, the Germans linked up with the Italians near the Adriatic coast, encircling the remnants of the 7th Army, which offered no further resistance. Ceasefires were implemented on 15 April, and the Yugoslav Supreme Command surrendered unconditionally. (Full article...) Recently featured: Shackleton–Rowett Expedition The Heart of a Woman Camas pocket gopher Did you know... René Beeh ... that the artist René Beeh (self-portrait shown) was a surveyor on the World War I Western Front? ... that Coney Island–Stillwell Avenue is the New York City Subway's first solar-powered subway station? ... that Ipswich Town goalkeeper Paul Cooper saved eight out of the ten penalties he faced during the 1979–80 season? ... that the nine-year-old McGuire Apartments building in Seattle was demolished due to the discovery of major corrosion issues? ... that Shahid Jameel and his group were the first to identify subtype C strain as the most common HIV-1 infection among Indians? ... that the CIA's black helicopter from Area 51 was used to eavesdrop on Paris Peace Talks discussions during the Vietnam War? ... that German rapper Jaye Muller started the weekly newsletter Germany Alert in 1991 to document neo-Nazi activity? ... that the Black River is a "miserable ditch"?

In the news Tim Berners-Lee Tim Berners-Lee (pictured) wins the Turing Award for inventing the World Wide Web, the first web browser, and the protocols and algorithms that allow the Web to scale. In the Syrian Civil War, a chemical attack in Khan Shaykhun kills more than 70 people and injures hundreds. In college basketball, the South Carolina Gamecocks win the NCAA women's tournament and the North Carolina Tar Heels win the men's tournament. A bombing in the Saint Petersburg Metro kills at least 14 people and injures more than 45 others. The annual Boat Races are held, with Oxford winning the men's race and Cambridge winning the women's race. Ongoing: Battle of Mosul Recent deaths: Kishori Amonkar Darcus Howe James Rosenquist Gilbert Baker On this day... April 6 Robert Peary 1250 – Seventh Crusade: Egyptian Ayyubids annihilated the crusader army and captured King Louis IX of France as a hostage. 1886 – Vancouver, one of British Columbia's youngest cities, was incorporated. 1896 – The first modern Olympic Games opened in Athens, with 241 athletes from 14 nations participating in 43 events. 1947 – The first Tony Awards, recognizing achievement in American theatre, were handed out at the Waldorf-Astoria Hotel in New York City. 2012 – The National Movement for the Liberation of Azawad unilaterally declared the region of Azawad independent from Mali. Raphael (d. 1520) · Nadar (b. 1820) · Rose O'Neill (d. 1944) More anniversaries: April 5 April 6 April 7

Today's featured picture A family, or mob, of meerkats (Suricata suricatta) in the Tswalu Kalahari Reserve, South Africa. Meerkats, members of the mongoose family, are primarily insectivores, though they may eat other small animals or plants. They are social animals that live in groups of twenty or more. Meerkat family dynamics were featured in the series Meerkat Manor, first aired in 2005. Photograph: Charles J. Sharp Recently featured: Feeding frenzy Larabanga Mosque Elliðaey

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