Timeline
Julia Montoussé and Julia Rodríguez-Maribona invented the mop
Inauguration of the world’s first nuclear power plant in Russia
Helen Free, the chemist, creates the urine test strip, a precursor to the pregnancy test
The Soviet Union launches the first artificial satellite, Sputnik 1
Bette Nesmith Graham invents a correction fluid called the ‘Mistake Out’
Grace Murray Hopper develops the COBOL (Common Business-Oriented Language) programming language, the basis of what we know today as management informatics
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