1870 ⟶ Hansen Writing Ball: First Commercial Typewriter
Rasmus Malling-Hansen's invention, the Hansen Writing Ball, ...Year
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🪓 Execution of Johann Friedrich Struensee in Denmark
Reformer Johann Friedrich Struensee executed in Denmark.⟶

EnlightenmentDenmarkMonarchyExecutionRoyal CourtReform

🖨️ Friedrich Koenig Invents the First Cylinder Printing Press
Friedrich Koenig invents the first powered printing press, which was also the first to use a cylinder.⟶

PrintingIndustrial RevolutionMass ProductionCommunication

🖨️ Alexander Bain Develops the Printing Telegraph
Alexander Bain devises a printing telegraph.⟶

TelegraphCommunicationElectrical EngineeringIndustrial Revolution

⌨️ Hansen Writing Ball: First Commercial Typewriter
Rasmus Malling-Hansen's invention, the Hansen Writing Ball, becomes the first commercially sold typewriter.⟶

CommunicationIndustrial RevolutionDenmark
