July 19, 1928
Enrico Fermi married Laura Capon. They had two children: Nella (January 31, 1931) and Giulio (February 16, 1936).
September 1927
Guglielmo Marconi is appointed President of the CNR (National Research Council)
May 12, 1926
1:30 AM: Umberto Nobile flies over the North Pole and leaves the flags of Italy, the USA, and Norway. The airship is the Norge (launched in Svalbard the previous day and will later land in Teller, Alaska). 13,000 km navigated by visual navigation, 5,200 km
October 31, 1925
Mikhail Frunze, a leading Bolshevik revolutionary and a contender for power after Lenin’s death in 1924, dies mysteriously during a stomach operation “ordered” by the Politburo. This occurs after another “strange” car accident in which Frunze’s driver dies. After Frunze’s death, an investigation is ordered,
October 15, 1925
The Italian delegation to negotiate war reparations with the Americans departs for New York. It is composed of Finance Minister Giuseppe Volpi, Undersecretary of Foreign Affairs Dino Grandi, four diplomats, an industrialist (Alberto Pirelli), a banker (Mario Alberti of Credito Italiano), and two economists. The
September 1925 – Summer 1926
Robert Oppenheimer studied at the Cavendish Labs in Cambridge, England. His mentors were J.J. Thomson and Patrick Blackett.
September 21, 1921
Oppau, Germany, a massive ammonium nitrate deposit explodes, creating a crater 130 meters in diameter and 12 meters deep. The explosion is heard 80 kilometers away.
March 19, 1920
The U.S. Senate debates ratification of the 14-Point Treaty for a Peaceful World drafted by President Wilson, who had suffered a stroke in September 1919 from which he never fully recovered. The vote was 49 in favor and 37 against, but a two-thirds majority was
1919
The IAU (International Astronomical Union) is responsible for naming planets, satellites, and their characteristics; they are divided into themes; some examples: Moon – large craters: scholars, artists, scientists; Moon – small craters: common first names; Venus – linae: goddesses of war; Venus – Dunes: goddesses
November 21, 1918
The German High Seas Fleet surrenders to the British at Scapa Flow.
November 10, 1918
Kaiser Wilhelm II flees to Holland for his life. His abdication ends five centuries of rule by the royal house of Hohenzollern in Germany, which declares the legal abolition of nobility.
1916 – 1918
German U-boats sank more than 3,000 merchant ships, or 25 percent of all ships; only with the convoy tactic did the Allies drastically reduce their losses in 1918.
November 6, 1917 [Gregorian Calendar]
October Revolution (Октябрьская революция). In Russia, the Soviets seize power (November 6 according to the Gregorian calendar corresponds to October 24 of the Julian Calendar adopted in Russia).
November 3, 1917
Austrian mine on the Marmolada, while the Italians abandon their positions to retreat to the Grappa.
November 2, 1917
Britain supports the creation of a Jewish state. British Foreign Secretary Arthur James Balfour presents a declaration of intent calling for the establishment of a Jewish state in Palestine. The British government hoped the formal declaration would help gain Jewish support for the Allied effort
April 17-19, 1917
Second Battle of Gaza: Second British assault on the Ottoman Empire’s fortified defenses. Pro-British Jews also developed a spy organization to inform the British of Ottoman troop movements. One of the codes used window shutters. Sara Aaronsohn, one of the commanders of this organization called
June 4, 1916
Russian General Brusilov, taking advantage of the Austro-Hungarian vacuum on the Russian front, launches an offensive with 40 divisions and takes 400,000 prisoners; it is the supreme moment of Tsarist Russia in the first conflict.
April 29, 1916
Townshend’s British forces surrender to the Turks at Kurt al’Amara, Mesopotamia
April 24, 1916
Easter Rising in Ireland. In Dublin, Irish nationalists led by Patrick Pearse launched the Easter Rising against British rule. The nationalists attacked provincial government centers and occupied the post office, proclaiming Irish independence. Within 24 hours, the city fell under their control. But the British
February 26, 1916
In the battle of Verdun the French have already lost 25,000 soldiers; the Germans at this juncture miss their chance to win the war by keeping two divisions doing nothing in the face of the British at Metz; Falkenhayn thus commits the same mistake as
February-November 1916
Battle of Verdun: the largest and most tragic battle in history: 1.5 million soldiers died in 10 months of trench warfare Verdun also represents the passing of the burden of war from the French to the English and then the Americans
November 1915
Einstein presented to the scientific world his new theory of General or Extended Relativity, which complements Special or Restricted Relativity by extending the concept to non-inertial or accelerated systems. He published it in the August issue of the “Sitzungsberichte der Koniglich Preussischen Akaddemie der Wissenschaften
September 16, 1915
British forces defeat the Turks at Kurt al’Amara, Mesopotamia
April 26, 1915
Italy signs a secret agreement in London to enter the war on the side of the Entente in exchange for territorial compensation in Trentino, Alto Adige, Venezia Giulia, Istria, and Dalmatia.
1914
Indian mathematician Srinivasa Ramanujan arrives in London. Hardy and Littlewood immediately direct him to the intractability of prime numbers and demand rigorous proofs, as has been the Western tradition since the time of Gauss. But this goes against Ramanujan’s nature. One can only speculate on
March 1913
Thomas Alva Edison marketed his Kinethophone, housed in a limited-access tent filled with asbestos to counteract the echo effect (according to Edison). It included a wax cylinder for recording six and a half minutes of voice or music. It had an endless loop and was
1912
Britain introduced the Vickers machine gun (the Vickers and Maxim companies had merged). The German version, the Maschinengewehr 08, featured a water-filled cooling sleeve wrapped around the barrel to provide adequate cooling during continuous firing. It could fire up to 2,500 rounds before the barrel
December 11, 1910
At the Paris Auto Show, French inventor Georges Claude demonstrated the first neon lamp. It emitted a brilliant light that quickly found application in advertising lighting due to its magical quality. It was also called liquid fire. In reality, it didn’t burn anything: neon never
April 1908
Poincaré falls ill during the International Congress of Mathematicians in Rome.
August 17, 1906
Earthquake in Chile (Santiago, Valparaiso): 8.6 on the Richter scale, 20,000 deaths
May 22, 1906
United States. The Wright brothers were granted U.S. Patent 821,393 for a “flying machine.” During their experiments in 1902, the Wrights successfully controlled their glider in all three axes of flight: pitch, roll, and yaw. Their revolutionary discovery was the simultaneous use of roll control
January 26, 1905
The largest diamond ever found. During a routine inspection of a mine in Pretoria, South Africa, a 3,106-carat diamond was discovered. The “Cullinan,” the largest diamond ever found, was later cut into 106 faceted diamonds, worth a total of millions of dollars. The “Star of
January 22, 1905
Anti-Tsarist Revolutionary Riots in Russia: Cossacks Fire on Crowd Bringing Petition to Tsar
February 8, 1904 – September 5, 1905
Far East. Russo-Japanese War: an extremely bloody conflict, also called WW0 (World War Zero), stemming from the rival imperialist ambitions of the Russian Empire and Japan in Manchuria and Korea. The war was fought primarily for possession of the city of Port Arthur (also known
1903
Morgan’s Sphinx (Xanthopan morgani). It is known for being the pollinating insect of the orchid Angraecum sesquipedale, commonly known as Darwin’s Orchid. In 1862, Charles Darwin wrote in the margin of his observations on the flower of Angraecum sesquipedale: “This species, whose large, star-like flowers
1899
The Hague, Netherlands. All technologically advanced nations except one ratify the Hague Convention, which prohibits the use of chemical weapons in warfare. The exception is the United States. Perhaps they had some reason to do so, since the treaty hypocritically bans substances barely more toxic
October 7, 1897
Vilnius, Lithuania. The General Jewish Labor Bund of Lithuania, Poland, and Russia (Yiddish: אַלגעמײנער ייִדישער אַרבעטער־בונד אין ליטע, פּױלן און רוסלאַנד), generally called The Bund (Yiddish: דער בונד, cognate with German: Bund, literally ‘federation’ or ‘union’), is founded: a secular Jewish socialist party initially formed
December 28, 1895
The cinematograph is born. French film pioneers Auguste and Louis Lumière presented their Cinématographe to the public at the Grand Café on the Boulevard des Capucines in Paris. Thirty spectators paid to see short films showing scenes of everyday life, such as a baby being
July 1895
Manhattan, New York. Nikola Tesla is recovering from a deep depression following the fire in his laboratory. (Part of his self-prescribed therapy also includes periodic electroshocks.) Tesla finally manages to rent a new two-story laboratory at 46 East Houston Street. Here, he will focus on
1895 – 1904
Six papers published by Poincare’ well summarize his contribution to Topology
1895
The philosopher Sigmund Freud, along with Breuer, published a book on hysteria in which he introduced psychoanalysis, a verbal exchange between patient and therapist. The exchange takes place with the patient lying on the couch, and often focuses on childhood memories of sexual content.
June 25, 1894
Hermann Oberth was born in Transylvania, which at the time was part of Germany. After World War I, it was ceded to Romania. Oberth would go on to design Europe’s first liquid-fueled rocket.



