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Period: to
20th Century
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Radio Signal across Atlantic
telegraphed a prearranged signal, the letter S, from Poldhu in Cornwall, southwestern England, to Marconi at Signal Hill, St. John’s, Newfoundland, at 4:30 a.m. GMT on Dec. 12, 1901. -
First Flight
The Wright brothers, Orville and Wilbur, were two Americans credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight, on December 17, 1903. -
San Francisco Earthquake
At 5:12 am on April 18, 1906, a major earthquake struck San Francisco and northern California. As buildings collapsed from the shaking, ruptured gas lines ignited fires that would spread across the city and burned out of control for several days -
Plastic invented
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.[1] -
Titanic sinks
Titanic was a passenger liner that sank in the North Atlantic Ocean on 15 April 1912 after colliding with an iceberg during her maiden voyage from Southampton, UK to New York City, US. The sinking of Titanic caused the deaths of 1,514 people in one of the deadliest peacetime maritime disasters in history. She was the largest ship afloat at the time of her maiden voyage -
Panama Canal
The Panama Canal is an 82-kilometre (51 mi) ship canal in Panama that connects the Atlantic Ocean (via the Caribbean Sea) to the Pacific Ocean. The canal cuts across the Isthmus of Panama and is a key conduit for international maritime trade. -
World War 1
World War 1 officially starts on July 28, 1914. Great war invloving the world powers and centered in Europe. -
Flu epidemic
The pandemic lasted from January 1918 to December 1920,spreading even to the Arctic and remote Pacific islands. Between 50 and 130 million died, making it one of the deadliest natural disasters in human history -
Women win right to vote
It was ratified by sufficient states in 1920, the Nineteenth Amendment, which prohibited state or federal sex-based restrictions on voting. -
First antibiotic
the antibiotic substance penicillin from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain. -
Stock Market Crashes
After the crash of the stock markets the United States entered into a Great Depression from the thirties to the forties. -
First Jet Airplane takes flight
Dr. Hans von Ohain and Sir Frank Whittle are both recognized as being the co-inventors of the jet engine. Each worked separately and knew nothing of the other's work. Hans von Ohain's was the first to take flight in 1939. -
Beginning of World War II
Germany invades Poland for the official date of the beginning of the second World War. -
Pearl Harbor Bombing
Japanese fighter planes bombed and destroyed most of the Pearl Harbor Navy base in Hawaii. -
D-Day
The D-Day invasion of the Normandy Beaches marked the Western Allied effort to liberate Europe. -
UN is established
The UN was founded in 1945 after World War II to replace the League of Nations, to stop wars between countries, and to provide a platform for dialogue. It contains multiple subsidiary organizations to carry out its missions. -
Trinity test
Trinity was the code name of the first detonation of a nuclear device. This test was conducted by the United States Army on July 16, in the Jornada del Muerto desert about 35 miles southeast of Socorro, New Mexico, at the new White Sands Proving Ground, which incorporated the Alamogordo Bombing and Gunnery Range -
Atomic bombs dropped on Japan to end WW II
Only two nuclear weapons have been used in the course of warfare, both by the United States near the end of World War II. On 6 August 1945, a uranium gun-type device code-named "Little Boy" was detonated over the Japanese city of Hiroshima. Three days later, on 9 August, a plutonium implosion-type device code-named "Fat Man" was exploded over Nagasaki, Japan. -
Baseball's color barrier broken
Jackie Robinson,an African American, breaks Baseball's color barrier by playing for the Dodgers in the 1947 season. -
Isreal gets statehood
On May 14, 1948, the State of Israel was established after the British mandate had expired. The state was established by the Jewish people whose goal it had been to set up a homeland in the Palestinian territories. -
NATO
NATO is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April 1949. -
DNA sturcture discovered
in April 1953 in the scientific paper where James Watson and Francis Crick presented the structure of the DNA-helix, the molecule that carries genetic information from one generation to the other. -
computer chip
A microprocessor incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit,or at most a few integrated circuits. -
Communist build wall in Berlin
The communist controled East Berlin and Germany built a wall to seperate the East from the West controlled Berlin. -
Cuban Missile Crisis
The US learned of missile bases in Cuba and is known as the time the world came closes to WW III. -
JFK Assassisinated
In Dallas, in 1963, President John F. Kennedy was shot and killed while riding in a convertible through the streets. -
The Beatles take US by storm
The Beatles were an English rock band formed in Liverpool in 1960 and one of the most commercially successful and critically acclaimed acts in the history of popular music.[ -
Martin Luther King assassinated in Memphis, Tenn.
at 6:01 p.m., April 4, 1968, a shot rang out as King stood on the motel's second floor balcony. The bullet entered through his right cheek, smashing his jaw, then traveled down his spinal cord before lodging in his shoulder. -
Walk on the Moon
Although the official NASA flight plan called for a crew rest period before extra-vehicular activity, Armstrong requested that the EVA be moved to earlier in the evening, Houston time. Once Armstrong and Aldrin were ready to go outside, Eagle was depressurized, the hatch was opened and Armstrong made his way down the ladder first. -
Berlin Wall falls
After allowing for loopholes throughout the summer, Hungary effectively disabled its physical border defenses with Austria on 19 August 1989 and, in September, more than 13,000 East German tourists escaped through Hungary to Austria
