May 10 is the 130th day of the year according to the Gregorian calendar (131st in the leap year). 235 days left until the end of the year.
1222 - Přemysl Otakar I expands the concordat to all Czech ecclesiastical authorities
1627 - The Renewed Provincial Constitution in Bohemia was issued.
1628 - The Renewed Establishment of the Provincial Constitution in Moravia was issued.
1849 - Austrian police arrest a group of Czech politicians who, along with Bakunin, were preparing an uprising against the government. The failed attempt was called the "May conspiracy."
1868 - A political assembly of people is held on Mount Říp, which has been given the name "camp". There were 20,000 people present who demanded justice for the Czech lands in Austria.
1912 - Completion of the cottage and lookout tower on Praděd
1925 - The Liberated Theater opens.
1945 - Klement Gottwald returns from the USSR to Prague as Deputy Prime Minister of the Czechoslovak Government and Chairman of the National Front.
1956 - One of the most successful musicians of the interwar Czechoslovakia, R. A. Dvorský, was released from a communist prison due to a serious illness. He received a 5-year prison sentence for his planned escape from the republic.
1970 - The broadcasting of the 2nd Czechoslovak Television program begins.
1990 - 3 theological faculties are incorporated into Charles University.
1999 - The Czech government pours almost 10 billion into the loss-making Komerční banka
2007 - Barbora Škrlová in the role of Anna leaves for the Klokánek in Brno after a court decision to find Ondřej and Jakub. Her escape to Denmark follows. It gradually becomes clear that the girl was played by an adult woman.
2008 - Mariánské Lázně celebrates 200 years of spa.
1267 - The Viennese Catholic Church orders all Jews to wear a special kaftan so that they are easily recognizable.
1291 - The Scottish nobility recognizes King Edward I of England the right to the throne.
1503 - Christopher Columbus discovers the Cayman Islands and names them Las Tortugas after a large number of turtles.
1534 - French sailor Jacques Cartier sails to Newfoundland.
1749 - The last (10th) volume of Tom Jones Henry Fielding's novel about a poor boy, pushed into a rich family, is published.
1773 - The British Parliament passes the Tea Act, which aims to save the British East India Company by granting a monopoly on the North American tea trade.
1824 - The National Gallery in London is opened to the public for the first time.
1871 - A peace treaty is concluded in Frankfurt am Main, ending the Prussian-French War.
1908 - Mother's Day is first celebrated in the United States, in Grafton, West Virginia.
1933 - The Nazis hold a massive public book-burning in Germany.
World War II: German troops crossed the Dutch, Luxembourg and Belgian borders and the Battle of France began.
Winston Churchill became Prime Minister of the United Kingdom.
1953 - Saxon Kamenice was renamed Karl-Marx-Stadt.
1971 - The Soviet planetary spacecraft Kosmos 419 is launched to attempt to land on Mars.
2018 - Mahathir Mohamad becomes Prime Minister of Malaysia.
1810 - Anton Mansuet Richter, Austrian and Czech lawyer and politician of German nationality († January 4, 1880)
1817 - Jan Streng, physician, rector of Charles University († March 31, 1887)
1826 - Jan Nepomuk Soukop, priest, poet, folklorist and speleologist († March 26, 1892)
1862 - Karel Bautzký, music composer († March 3, 1919)
1870 - Vladimir Hornof, priest and poet († July 26, 1942)
1874 - Alois Zych, photographer († July 20, 1943)
1885 - Marie Záhořová-Němcová, pedagogue, granddaughter of Božena Němcová († May 21, 1930)
1888 - Antonín Raymond, modern architect († November 21, 1976)
1892 - Jan Weiss, writer († March 7, 1972)