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Sinking of the titanic
the titanic collided with an iceberg -
first world war
The cause that triggered the start of the First World War was the assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian crown, and his wife, Archduchess Sophie, in Sarajevo on June 28, 1914. -
the creation of the penicillin
Penicillin is a type of antibiotic belonging to the beta-lactam group. It is used to treat infections caused by persistent bacteria. Many eras and cultures, through observation, have come to utilize the bactericidal properties of molds. However, the discovery is attributed to Fleming, as he is a famous example of the scientific method.