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1857: Heinrich Hertz born |
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At 6075 kilohertz, electrical waves spread with a little more than six million oscillations per second. The oscillation frequency unit was determined internationally in 1933: A hertz, that is one oscillation per second, was named after Heinrich Hertz who was born 143 years previously, on 22 February 1857 in Hamburg.
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| 22.2.2020 Hanau protests against right-wing extremism and racism after xenophobic terror attack |
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| About 3,000 people have taken to the streets, calling on the German government to take action against growing right-wing radicalism. Protesters carried placards criticizing the AfD's normalization of racist rhetoric. |
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