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The poilio vac
In 1947, Jonas Salk, an American physician and microbiologist, became head of the Virus Research Laboratory at the University of Pittsburgh. He was interested in developing a polio vaccine. In 1952, Salk combined three types of polio virus grown in cultures made from monkey kidneys. Using formaldehyde, he was able to “kill” or inactivate the viral matter so that it would trigger an antibody response without causing the disease. That year he began his initial experiments on human subjects. And in -
The korean war
Korean War, conflict between Communist and non-Communist forces in Korea from June 25, 1950, to July 27, 1953. At the end of World War II, Korea was divided the Soviet (North Korean) and U.S. (South Korean) so it was basically split in half. In 1948 rival governments were established: The Republic of Korea was the name of the Southern part and the People's Democratic Republic of Korea was the name in the North. That’s what happened after the Korean War -
Discovery of DNA
The German biochemist Frederich Miescher first observed DNA in the late 1800s. But nearly a century passed from that discovery until researchers unraveled the structure of the DNA molecule and realized its central importance to biology. For many years; scientists debated which molecule carried life's biological instructions. Most thought that DNA was too simple a molecule to play such a critical role. Instead, they argued that proteins were more likely to carry out this vital function because of -
Rosa Parks
In Montgomery, Alabama, when a bus became full, the seats nearer the front were given to white passengers. Montgomery bus driver JAMES BLAKE ordered Parks and three other African Americans seated nearby to move to the back of the bus. “These white folks would like to sit” Three other African American riders complied; Parks did not. "Are you going to stand up?" the driver asked Rosa Parks looked straight at him and said: "No." the bus driver then said "Well, I'm going to have you arrested." And P -
Nasa was created
(National Aeronautics and Space Administration) Independent U.S. government agency established in 1958 for research and development of vehicles and activities for aeronautics and space exploration.. NASA, previously the National Advisory Committee for Aeronautics (NACA), was created largely in response to the Soviet Union's launch of Sputnik in 1957. Its organization was well under way in 1961, when President John F. Kennedy proposed that the U.S. put a man on the Moon by the end of the 1960s du -
Cuban missle crisis
: For thirteen days in October 1962 the world waited—seemingly on the brink of nuclear war—and hoped for a peaceful resolution to the Cuban Missile Crisis. In October 1962, an American U-2 spy plane secretly photographed nuclear missile sites being built by the Soviet Union on the island of Cuba. President Kennedy did not want the Soviet Union and Cuba to know that he had discovered the missiles. He met in secret with his advisors for several days to discuss the problem. -
civil rights act
: In 1964 Congress passed Public Law 88-352 (78 Stat. 241). The provisions of this civil rights act forbade discrimination on the basis of sex as well as race in hiring, promoting, and firing. The word "sex" was added at the last moment. According to the West Encyclopedia of American Law, Representative Howard W. Smith (D-VA) added the word. His critics argued that Smith, a conservative Southern opponent of federal civil rights, did so to kill the entire bill. Smith, however, argued that he had -
The Vietnam War
The Vietnam war was one of the worst wars to go down in history 58,000 U.S troops died in this war and ironically we still came out on top. After the Vietnam war there were 23,000 disabled veterans the Vietnam war took place on November 1, 1995 and ended on April 30th, 1975 -
The Black Panther Party
The Black Panther Party (BPP) was founded in October I966 by Bobby Seale and Huey P. Newton, both student activists at Merritt Junior College in Oakland CA.Influenced by the teachings of Malcolm X and the Black Power Movement, the BPP, originally called the Black Panther Party for Self-Defense, called for the restructuring of American society to achieve social, political, and economic equality, based on principles of socialism. -
First man on the moon
First Man on the Moon: On July 20th 1969 there was a major event that occurred which was the Apollo 11 mission. Neil Armstrong was the very first person to walk on the moon then a couple minutes later Buzz Aldrin became the second person ever to walk on the moon. Their accomplishment placed the Unites states ahead of the soviets in the space race. -
Great american gas shortage
Gas lines in America may be rare, but they're not heard of. The gas shortage in the Northeast, during two separate oil crises in the 1970s, Americans from coast to coast faced persistent gas shortages as the Organization of Petroleum Exporting Countries, or OPEC, flexed its muscles and disrupted oil supplies. In 1973 and again in 1979, drivers frequently faced around-the-block lines when they tried to fill up. Drivers would go to stations before dawn or late at night, hoping to avoid the lines -
VCR comes out
) In 1952, Ginsberg began working for Ampex. It was there that Ginsberg got the opportunity to lead the research team that developed the first broadcast-quality videotape recorder (VTR), U.S. patent number 2,956,114. The VCR is said to have revolutionized television broadcasting. Tape recording of television signals dates to just after World War II, when audio tape recorders were used to record the very high frequency signals needed for television. These early machines were pushed to their limit -
The Jonestown Massacre
The Jonestown Massacre was basically a big cult that was run by a preacher named James Warren Jones from Indiana that was run off because of his beliefs so he made a big church group and they got bigger and bigger and ended up moving to a remote location in South America and visited by a reported after being there several hours he received multiple threats against his life so he decided to go back to America with some of the members that wanted to leave the church, -
Three mile island
deemed America’s worst accident at a civilian nuclear power plant occurred on March 28, 1979. Unbeknown to anyone, half the fuel melted in one of two nuclear reactors on Three Mile Island near Harrisburg, Pa. large quantities of radioactivity leaked from the reactor, but most of it was contained. In all probability, no one received a harmful amount of radiation. The enormous damage to the reactor was revealed only years later when TV cameras and a specially developed ultrasonic, sonar-like imagi -
Tiananmen Square
In 1989 Beijing's Tiananmen Square, the largest public square in the world, became the site of a student protest and massacre. On June 4, 1989, Chinese troops fired on the protesters in Tiananmen Square, killing more than 200 and later arresting anyone thought to be involved in China's pro-democracy movement. The actions raised fury around the world. International observers continued to monitor the tenuous situation in China, where evidence surfaced that the government was continuing its patt -
Crack cocaine
Cocaine has been used throughout history as an agent to numb or simulate the user. It was first used medicinally by Sigmund Freud in 1880. He promoted cocaine as a safe and useful elixir to cure depression and sexual impotence In 1886, cocaine was added to the soft drink we know now as Coca Cola which created euphoric and energizing effects in those who drank it. In the coming years, cocaine was added to many other elixirs and tonics creating and new found "cure all" for anything and everythin -
Chernobyl Blowup
On April 26, 1986, a major accident occurred at the nuclear power station at Chernobyl, Ukraine, in the former USSR. The operating crew was planning to test whether the turbines could produce sufficient energy to keep the coolant pumps running in the event of a loss of power until the emergency diesel generator was activated. To prevent any interruptions to the power of the reactor, the safety systems were deliberately switched off. To conduct the test, the reactor had to be powered down to 25 p -
Star wars
in 1977, Memorial Day weekend led off with an intergalactic bang as the first of George Lucas' blockbuster Star Wars movies hits American theaters The incredible success of Star Wars--it received seven Oscars, and earned $461 million in U.S. ticket sales and a gross of close to $800 million worldwide--began with an extensive, coordinated marketing push by Lucas and his studio, 20th Century Fox, months before the movie's release date. "It wasn't like a movie opening," actress Carrie Fisher, who -
Berlin wall
On August 13, 1961, the Communist government of the German Democratic Republic (GDR, or East Germany) began to build a barbed wire and concrete "Antifascistischer Schutzwall," or "antifascist bulwark," between East and West Berlin. The official purpose of this Berlin Wall was to keep Western "fascists" from entering East Germany and undermining the socialist state, but it primarily served the objective of stemming mass defections from East to West. The Berlin Wall stood until November 9, 1989, w -
Desert storm
On the morning of August 7, 1990 the great president George Bush (sarcasm) signed a order to deploy American troops to Iraq to stop the invasion of Iraqi Republican Guard in Kuwait that had seized control of the country -
Gulf war
The Gulf war was definitely not as bad as the Vietnam War was there were only around 500 U.S. troops that died in the Gulf War whereas the Vietnam War there was 58,000. The Gulf war only lasted around 5 months and we won this War. The Gulf war started on August 2nd, 1990 and the War ended on February 28th, 1991. -
Rap music
: In the 1990’s rap music really hit its prime, as artists such as Tupac Shakur Notorious BIG and groups such as NWA some say it’s when rap “ rap was good” But throughout the years rap music has originated from African Americans expressing they’re feeling threw song, Most of them being very vile with strong words and emotions. -
Oj simpson
basically oj Simpson is famous for killing his wife and lots of people kill they’re wife but this case was different it was all televised, 133 days of a televised court case that turned millions of people into “oj Simpson trial junkies” Even foreign leaders such as Margaret Thatcher and Boris Yeltsin eagerly gossiped about the trial. When, at 10 a.m. PST on October 3, Judge Ito's clerk read the jury's verdict of "Not Guilty," 91% of all persons viewing television were glued to the unfolding s -
USS Cole
Basically what happened with this is suicide terrorists exploded a small boat alongside the USS Cole (a Navy Destroyer) as it was refueling in the Yemen port of Aden. The blast ripped a 40-foot-wide hole near the waterline of the Cole, killing 17 American sailors and injuring a lot more -
9/11
On the morning of September 9, 00 throughout the country terrorist had placed themselves on planes and taken them over, at 8:46 Flight 11 crashes at roughly 466 into the north face of the North Tower (1 WTC) of the World Trade Center, between floors 93 and 99. Many of America was not paying attention but they are now. Then not long after another plane crashed into the second building, then the first building collapsed. -
Shoe bomber
Just 16 days after the planes hit the world trade center, another terrorist was at it again, on a plane from Paris to Florida had Richard Reid onboard who had previously packed his sneakers full of bombs in an attempt to bomb the fight he was on flight attendants found him trying to light a fuse coming from his shoe and subdued him by tying him to his chain and a doctor on board administered tranquilizers. -
Virginia tech
: What happened at the Virginia tech on a April morning was horrifying a man that was no attending the college walked into a dorm room around 9 in the morning and murdered 2 students. Nearly 2 hours later he walked into a building full of students and started shooting, killing 31 students witnesses say even the sidewalks were blood stained. The Virginia tech college didn’t even notify students of the attack until many hours later. -
Coal Miners
In this case it was a really scary moment imagine doing the same job you do every day then suddenly the walls ground ceiling starts to shake and you run for the safe place, the safe place you thought you would never have to use. That’s what the 13 west Virginia coal miners felt like the mine they were working in collapsed and left them trapped in a small room no food no water for close to 3 weeks. -
Plane in Hudson
Plane in Hudson: What happened with this is a US airline plane 1549 had to make a emergency landing 6 minutes after takeoff after making contact with a flock of Canadian geese on takeoff there were 56 passengers on board the plane during the heroic landing. Officials say if not for the extreme skill of the pilot almost everyone on board would have been killed. -
Massacre at Theatre
the massacre at the theatre was horrible, a very heavily armed man walking into a movie theatre that was packed with men, women and children and started shooting. A total of 33 people were killed 5 children and 28 women and men. Most of those who escaped went through a emergency exit in the back. -
Japan earthquake
Japan earthquake: The japan earthquake was the biggest nation scare in 2010 it wasn’t that the country of japan had and earthquake it’s that they’re nuclear power plant had exploded and was realizing nuclear gasses were being released and could potentially affect America. But before enough was released the fire was put out and everything was alright except for the fact japan just had a devastating earthquake. -
Gulf Oil Spill
Gulf Oil Spill: The story behind this is an offshore oil rig off the coast of Florida’s pipeline had exploded and gallons upon gallons of oil were spilling out at alarming speeds, it’s not that fact that scared us it’s the fact that BP didn’t know how they were going to plug the gushing oil line. That was killing the wildlife and quickly filling up the Gulf of Mexico with oil.
