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Boy Scouts Established
The Boy Scouts of America were Established in the United States on February 8th, 1910. Since 1910, 110 million Americans have been members of the Boy Scouts of America. -
Halley's Commett
On April 20th, 1910 Halleys Commet made an apperance. -
The Structure of an Atom
In May of 1911, Earnest Rutheford discovered the structure of an atom, better known as the "plum pudding model." -
Machu Picchu Discovered
The city of Machu Picchu in Peru was discovered July 24th,1911. It was built in the Incan style. -
Mona Lisa
On August 21st, 1911, The Mona Lisa, painted by Leonardo da Vinci, was stolen. It turned up in Italy two years later in Italy. -
Chinese Revolution
October 10th, 1911, the Chinese revolution began. This led to the end of Imperial China, The Republic of China, and the Chinese Civil War. -
The Oreo Cookie
On March 14th, 1912 the Oreo Cookie was invented. It looked very simmilar to what it looks like today, except for a small difference in the design on the cookie. -
The Titanic
The Titanic sunk on April 15th, 1912, after colliding with an ice burg. 1,502 people died in the crash. -
Personal Income Tax
After the 16th Amendment was passed, the permanent income tax law was passed in October of 1913. -
The Assembly Line
The Assembly line was invented by Henry Ford in December of 1913. Henry ford was the founder of Ford Motor Company. -
Crossword Puzzle
The first ever cross word puzzle was made on December 21st, 1913 by Aurthor Wyme. He created it for the New York World news paper. -
The Assassination
Archduke Franz Ferdinand of Austria was assassinated by Gavrilo Princip. -
The Begining
World War 1 began on July 28th 1914. It started after the assassination of Archduke Ferdinand. -
The Traffic Light
The American Traffic Signal Company installed the first traffic light on the corner of East 105th Street and Euclid Avenue in Cleveland Ohio on August 5th 1914 -
Panama Canal
The Panama Canal was offocially opened on August 15th, 1914. -
The Battle of the Marne
The first battle of the Marne between September 5th through 12th. The German Army won the battle -
Ypres
The second battle of Ypres occured on April 22nd, 1915 until April 22nd. During the battle the first gas attack occured. -
German U-Boat
On May 7th, 1915 at 1:40 pm, the Listuania was sunk by a launched torpedo from the German U-Boat U-20. -
Grocrie Store
In 1916, (couldnt find actual date) the first Self-Service Grocery Store Opened in U.S. It was called Piggly Wiggly. -
Verdun
Starting on February 21st and ending on December 18th 1916 the battle of Verdu was going on in the city of Verdun-sur-Meuse, France. Throughout this battle there was 714,321 total. -
Somme
Between July 1st an November 28th, 1916 The Battle of Somme occured on both sides of Somme river in France. -
Russian Revolution
In March of 1917 a sieres of many rvolutions occured in Russia -
U.S. Enters World War I
The United States entered World War 1 on April 6th, 1917 after the Gremans declared submarine warfare on all commercial ships headed towards Britain. They sunk many U.S. ships and this angered Presidant Woodrow Wilson so he declared war. -
Pulitzer Prize
The first ever Pulitzr Prize was awarded on June 4th 1917 after the death of Joseph Pulitzer -
Spanish Flu
The Spanish Flu pandemic broke out in January of 1918. It went arund the world killing an estimate of 50 to 100 million people. -
The Treaty
June 28th, 1919 marked the end of World War 1 when the Treaty of Versailles was signed.
