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In 1901, Guglielmo Marconi received the first radio signal across the Atlantic Ocean without a wire. It led to great advancements in science and technology.
(Reception of Transatlantic Radio signals, 1901. https://ethw.org/Milestones:Reception_of_Transatlantic_Radio_Signals,_1901#:~:text=On%2012%20December%201901%2C%20Guglielmo,in%20both%20science%20and%20technology.) -
Republican Theodore Roosevelt took office in 1901 as the 26th president of the United States.
(Freidel, F. B. The presidents of the United States of America) -
President Theodore Roosevelt declared the Philippine-American War over in 1902, however, fighting would still last until 1913.
(The Philippine-American War, 1899-1902. https://history.state.gov/milestones/1899-1913/war) -
Brothers Wilbur and Orville Wright made the first successful flights with the world's first powered aircraft. The airplane would lead to great advancements in transportation and warfare.
(The First Successful Airplane. https://airandspace.si.edu/exhibitions/wright-brothers/online/fly/1903/#:~:text=During%20the%20spring%20and%20summer,invented%20the%20first%20successful%20airplane.) -
Republican William Taft took office in 1909 as the 27th president of the United States.
(Freidel, F. B. The presidents of the United States of America) -
The National Association for the Advancement of Colored People was founded in 1909 after the deadly race riot in Springfield, Illinois. It was created "to ensure the political, educational, social and economic equality of minority group citizens of United States and eliminate race prejudice".
(Nation's Premier Civil Rights Organization. https://naacp.org/nations-premier-civil-rights-organization/) -
The luxury passenger liner RMS Titanic sank on April 14-15 during its maiden voyage in the Atlantic Ocean. Approximately 1,500 passengers and ship personnel died.
(Titanic. https://www.britannica.com/topic/Titanic) -
Democrat Woodrow Wilson took office in 1913 as the 28th president of the United States.
(Freidel, F. B. The presidents of the United States of America) -
The Panama Canal was officially opened on August 15, 1914. It had been under construction since 1881.
(End of the Construction. https://www.pancanal.com/eng/history/history/end.html#:~:text=Plans%20were%20made%20for%20a,Canal%20on%20August%2015%2C%201914.) -
Archduke Franz Ferdinand of Austria-Hungary was assassinated along with his wife by Bosnian Serb Gavrilo Princip. The assassination would be the catalyst for the first world war.
(Assassination of Archduke Franz Ferdinand. https://nzhistory.govt.nz/page/assassination-archduke-ferdinand) -
The first genocide of the twentieth century (but not the last) was the Armenian Genocide. Between 664,000 and 1.2 million Armenian Christians were killed by the Ottoman Empire.
(The Armenian Genocide (1915-16): Overview. https://encyclopedia.ushmm.org/content/en/article/the-armenian-genocide-1915-16-overview) -
The U.S. entered World War I in 1917 after the sinking of the Lusitania and the sinking of many noncombative American ships by German submarines.
(Why did the U.S. enter World War I?. https://www.rochester.edu/newscenter/looking-back-100-years-u-s-enters-world-war-i-on-april-6-1917/#:~:text=The%20U.S.%20entered%20World%20War,American%20entry%20into%20the%20war.) -
The Bolshevik Revolution, led by Vladimir Lenin, took over the Russian government and killed the czar. The revolution took Russia out of World War I early, and put in place a Soviet regime.
(What Was the Bolshevik Revolution?. https://www.historians.org/about-aha-and-membership/aha-history-and-archives/gi-roundtable-series/pamphlets/em-46-our-russian-ally-(1945)/what-was-the-bolshevik-revolution) -
World War I ended with the Treaty of Versailles, which required Germany to pay for all damages and put a restriction on the German military. The Great War had costed from 9 to 13 million lives.
(World War I Ended With the Treaty of Versailles June 28, 1919. -
The 19th amendment granted white women the right to vote in America, ratified on August 18, 1920. Women had been petitioning for the right to vote for decades beforehand.
(19th Amendment to the U.S. Constitution: Women's Right to Vote (1920). https://www.ourdocuments.gov/doc.php?flash=false&doc=63)
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