Muhammad IV (14 April 1315 – 25 August 1333) was the ruler of theEmirate of Granada(map pictured) on theIberian Peninsula from 1325 to 1333. He was the sixthsultan of theNasrid dynasty, succeeding to the throne at the age of 10 when his father,Ismail I, was assassinated. The initial years of his reign were marked by civil war between his ministers, drawing inCastile, Granada's neighbour to the north. The civil war ended in 1328 when Muhammad took a more active role in government. Castile and the kingdom ofAragon invaded Granada in 1330. In 1332, Muhammad sailed to theMarinid court atFez to request help, and the new Marinid sultanAbu al-Hasan Ali sent 5,000 troops, whobesieged the Castilians atGibraltar. The town surrendered in June 1333 butwas in turn besieged. After confused fighting a truce was agreed on 24 August 1333 that restored the 1331 treaty. One day later, Muhammad was assassinated, aged 18. He was succeeded by his brotherYusuf I. (Full article...)
April 14:Tamil New Year andother New Year festivals in South and Southeast Asia (2024);N'Ko Alphabet Day in West Africa
TheSakurai Prize, awarded by theAmerican Physical Society, honors "outstanding achievement inparticle theory" and is presented annually at the Society's April meeting. The award was established in November 1984 with an endowment fund provided by the family and friends of physicistJun John Sakurai, who died in October 1982. The prize consists of a US$10,000 cash award, an allowance for the recipient to travel to the ceremony, and a certificate citing their contributions. The Sakurai Prize is administered by the Society's Division of Particles and Fields, and winners are chosen by a selection committee. The prize may be shared by multiple people. The inaugural recipients,Toshihide Maskawa andMakoto Kobayashi(both pictured), were awarded the prize in 1985 for their work on theelectroweak interaction. The first woman to receive the Sakurai Prize wasMary K. Gaillard in 1993. (Full list...)
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Black Sunday was a severedust storm that occurred on April 14, 1935, as part of theDust Bowl, a period of severe dust storms in the Americanprairies in the 1930s. The storm first hit theOklahoma panhandle and northwesternOklahoma, then moved south intoTexas. The conditions were the most severe in the Oklahoma andTexas panhandles, but the storm's effects were also felt in surrounding areas. Drought, erosion, bare soil, and winds caused the dust to fly freely and at high speeds. It is estimated that 300,000 tons oftopsoil were displaced from the prairie area. Black Sunday was one of the worst dust storms in American history and caused immense economic and agricultural damage. This photograph shows the storm approachingStratford, Texas. Photograph credit: George Everett Marsh Jr.; restored byYann Forget Recently featured: |
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