On July 23 in the history: that happened this day

In 1874 Lodygin Alexander received the privilege No. 1619 on the incandescent lamp. Later the Petersburg Academy of Sciences awarded to it the Lomonosov award and the association of electric lighting Lodygin A. N. and To" was created ". In 1901 the German doctor Kokh Robert assumed that a carrier of bubonic plague are rats. This day, but in 1951, in Rokenkort (France) is open headquarters of NATO. And in 2021 to Tokyo there took place a ceremony of opening of 2020 Summer Olympics – 2020. Because of a pandemic Koronavirus competitions postponed to a year. On July 23 were born the Russian state...