On March 31, 1889, the Eiffel Tower is dedicated in Paris in a ceremony presided over by Gustave Eiffel, the tower’s designer, and attended by French Prime Minister Pierre Tirard, a handful of other dignitaries, and 200 construction workers. In 1889, to honor of the centenary of the French Revolution, the French government planned an international exposition and announced a design competition for a monument to be built on the Champ-de-Mars in central Paris. Out of more than 100 designs submitted, the Centennial Committee chose Eiffel’s plan of an open-lattice wrought-iron tower that would reach almost 1,000 feet above Paris and be the world’s tallest man-made structure. Eiffel, a noted bridge builder, was a master of metal construction and designed the framework of the Statue of Liberty that had recently been erected in New York Harbor. Eiffel’s tower was greeted with skepticism from critics who argued that it would be structurally unsound, and indignation from others who thought it would be an eyesore in the heart of Paris. Unperturbed, Eiffel completed his great tower under budget in just two years. Only one worker lost his life during construction, which at the time was a remarkably low casualty number for a project of that magnitude. The light, airy structure was by all accounts a technological wonder and within a few decades came to be regarded as an architectural masterpiece. The...Read More
Month: March 2017
Mar 30, 2017 |
On March 30, 1981, President Ronald Reagan is shot in the chest outside a Washington, D.C., hotel by a deranged drifter named John Hinckley Jr. The president had just finished addressing a labor meeting at the Washington Hilton Hotel and was walking with his entourage to his limousine when Hinckley, standing among a group of reporters, fired six shots at the president, hitting Reagan and three of his attendants. White House Press Secretary James Brady was shot in the head and critically wounded, Secret Service agent Timothy McCarthy was shot in the side, and District of Columbia policeman Thomas Delahaney was shot in the neck. After firing the shots, Hinckley was overpowered and pinned against a wall, and President Reagan, apparently unaware that he’d been shot, was shoved into his limousine by a Secret Service agent and rushed to the hospital. The president was shot in the left lung, and the .22 caliber bullet just missed his heart. In an impressive feat for a 70-year-old man with a collapsed lung, he walked into George Washington University Hospital under his own power. As he was treated and prepared for surgery, he was in good spirits and quipped to his wife, Nancy, ”Honey, I forgot to duck,” and to his surgeons, “Please tell me you’re Republicans.” Reagan’s surgery lasted two hours, and he was listed in stable and good condition afterward....Read More
Mar 29, 2017 |
Two months after the signing of the Vietnam peace agreement, the last U.S. combat troops leave South Vietnam as Hanoi frees the remaining American prisoners of war held in North Vietnam. America’s direct eight-year intervention in the Vietnam War was at an end. In Saigon, some 7,000 U.S. Department of Defense civilian employees remained behind to aid South Vietnam in conducting what looked to be a fierce and ongoing war with communist North Vietnam. In 1961, after two decades of indirect military aid, U.S. President John F. Kennedy sent the first large force of U.S. military personnel to Vietnam to bolster the ineffectual autocratic regime of South Vietnam against the communist North. Three years later, with the South Vietnamese government crumbling, President Lyndon B. Johnson ordered limited bombing raids on North Vietnam, and Congress authorized the use of U.S. troops. By 1965, North Vietnamese offensives left President Johnson with two choices: escalate U.S. involvement or withdraw. Johnson ordered the former, and troop levels soon jumped to more than 300,000 as U.S. air forces commenced the largest bombing campaign in history. During the next few years, the extended length of the war, the high number of U.S. casualties, and the exposure of U.S. involvement in war crimes, such as the massacre at My Lai, helped turn many in the United States against the Vietnam War. The communists’ Tet Offensive of...Read More
Mar 28, 2017 |
At 4 a.m. on March 28, 1979, the worst accident in the history of the U.S. nuclear power industry begins when a pressure valve in the Unit-2 reactor at Three Mile Island fails to close. Cooling water, contaminated with radiation, drained from the open valve into adjoining buildings, and the core began to dangerously overheat. The Three Mile Island nuclear power plant was built in 1974 on a sandbar on Pennsylvania’s Susquehanna River, just 10 miles downstream from the state capitol in Harrisburg. In 1978, a second state-of-the-art reactor began operating on Three Mile Island, which was lauded for generating affordable and reliable energy in a time of energy crises. After the cooling water began to drain out of the broken pressure valve on the morning of March 28, 1979, emergency cooling pumps automatically went into operation. Left alone, these safety devices would have prevented the development of a larger crisis. However, human operators in the control room misread confusing and contradictory readings and shut off the emergency water system. The reactor was also shut down, but residual heat from the fission process was still being released. By early morning, the core had heated to over 4,000 degrees, just 1,000 degrees short of meltdown. In the meltdown scenario, the core melts, and deadly radiation drifts across the countryside, fatally sickening a potentially great number of people. As the plant...Read More
Mar 27, 2017 |
On this day in 1998, the Food and Drug Administration (FDA) approves use of the drug Viagra, an oral medication that treats impotence. Sildenafil, the chemical name for Viagra, is an artificial compound that was originally synthesized and studied to treat hypertension (high blood pressure) and angina pectoris (a form of cardiovascular disease). Chemists at the Pfizer pharmaceutical company found, however, that while the drug had little effect on angina, it could induce penile erections, typically within 30 to 60 minutes. Seeing the economic opportunity in such a biochemical effect, Pfizer decided to market the drug for impotence. Sildenafil was patented in 1996, and a mere two years later–a stunningly short time compared to other drugs–it was approved by the FDA for use in treating “erectile dysfunction,” the new clinical name for impotence. Though unconfirmed, it is believed the drug was invented by Peter Dunn and Albert Wood. Viagra’s massive success was practically instantaneous. In the first year alone, the $8-$10 pills yielded about a billion dollars in sales. Viagra’s impact on the pharmaceutical and medical industries, as well as on the public consciousness, was also enormous. Though available by prescription only, Viagra was marketed on television, famously touted by ex-presidential candidate Bob Dole, then in his mid-70s. Such direct-to-consumer marketing was practically unprecedented for prescription drugs (now, sales and marketing account for approximately 30 percent of the pharmaceutical...Read More
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