Cecelia McDonald

28 Oct 1886 - 20 Feb 1925

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Cecelia McDonald

28 Oct 1886 - 20 Feb 1925
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The headstone of Cecelia McDonald. Cemetery: , Location: . Birth: 28 Oct 1886, Death: 20 Feb 1925.

Life Information

Cecelia McDonald

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Life timeline of Cecelia McDonald

1886
Cecelia McDonald was born on 28 Oct 1886
Cecelia McDonald was 6 years old when Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri. Nikola Tesla was a Serbian American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
Cecelia McDonald was 19 years old when Albert Einstein publishes his first paper on the special theory of relativity. Albert Einstein was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. His work is also known for its influence on the philosophy of science. He is best known to the general public for his mass–energy equivalence formula E = mc2, which has been dubbed "the world's most famous equation". He received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory.
Cecelia McDonald was 28 years old when Archduke Franz Ferdinand and his wife, Sophie, Duchess of Hohenberg, were assassinated by a Yugoslav nationalist named Gavrilo Princip in Sarajevo, sparking the outbreak of World War I. Archduke Franz Ferdinand, Archduke of Austria-Este was a member of the imperial Habsburg dynasty, and from 1896 until his death the heir presumptive (Thronfolger) to the Austro-Hungarian throne. His assassination in Sarajevo precipitated Austria-Hungary's declaration of war against Serbia, which in turn triggered a series of events that resulted in Austria-Hungary's allies and Serbia's declaring war on each other, starting World War I.
Cecelia McDonald died on 20 Feb 1925 at the age of 38

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