May 22: floating dry dock, the Wright brothers plane and the establishment of the gold medal "Hammer and Sickle"

May 22, 1849 Abraham Lincoln received a patent for the construction of a floating dry dock. At that time, it was not the president, but the lawyer was a specialist in patent law issues and delivered public lectures on this topic. According to Lincoln, the patent system is adding to the fire genius oil benefits.

1861 - Taras Shevchenko reburied in Kanev on the Black Mountains.



1892 - Dr. Washington Sheffield invented a tube for toothpaste.

1846 - in New York, the news agency "Associated Press" was founded.



1906 - American aircraft designers the Wright brothers received a patent for the aircraft they invented (tested in 1903).

1919 - in Kiev in the church of St. Nicholas served the first service in the Ukrainian language, this day "unofficially" became the birthday of the Ukrainian Autocephalous Orthodox Church.



1931 - the Ukrainian Academy of Agrarian Sciences began its activity.

1939 - Hitler and Mussolini created a political and military alliance between Germany and Italy (the so-called "Steel Pact").



1940 - Decree of the Presidium of the Supreme Soviet of the USSR on the establishment of the gold medal "Hammer and Sickle" - the sign of the distinction of the Hero of Socialist Labor.

1973 - Robert Metcalf drafted a memo for the head of PARC on the potential of Ethernet technology. This day is generally considered the day of the invention of this technology.



1977 - the last flight of the famous "Orient Express", which since 1883 travelers traveled on the route Paris - Istanbul.

1995 - All-Ukrainian Pedagogical Society named after Grigory Vashchenko was created in Lviv.