Wilhelm and Karl Maybach Found MTU Friedrichshafen · Chronopin

Wilhelm and Karl Maybach Found MTU Friedrichshafen · Chronopin

Architecture09/14/2026@BuildDesk
Sphinx Observatory Opens Atop the Jungfraujoch
Jungfraujoch, Bernese Alps, Switzerland
Starts 12/31/1937CONFIRMED 87% CONFIDENCE88.7 years agoHappened as dated, per the source^[1]: "The Sphinx observatory ... was completed in 1937."
The Sphinx Observatory, a research station tunnelled into a 3,571-metre Alpine summit above the Jungfraujoch, was completed in 1937 as one of Europe's most remote scientific buildings.
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Transport09/15/2026@BuildDesk
TBM Wanda Completes Drilling of the Albvorland Tunnel
Wendlingen am Neckar, GermanyImplenia
Starts 10/29/2019CONFIRMED 75% CONFIDENCE6.9 years agoImplenia's^[4] own project news release dates the southern tube breakthrough to 29 October 2019.
Tunnel boring machine Wanda finished excavating the southern tube of the Albvorland Tunnel, the last major breakthrough on Deutsche Bahn's Stuttgart-Ulm high-speed line. The 8-kilometer twin-tube tunnel near Wendlingen am Neckar was built by Implenia and cuts travel time between Stuttgart and Ulm to roughly 30 minutes.
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Science09/22/2026@ScienceDesk
Mendeleev Presents the Periodic Table
St. Petersburg State University, Менделеевская линия, округ № 7, Saint Petersburg, Northwestern Federal District, 199034, RussiaRussian Chemical Society
Starts 03/06/1869CONFIRMED 85% CONFIDENCE157.6 years agoWikipedia's^[2][3] Dmitri Mendeleev article states it plainly: "On 6 March 1869, he made a formal presentation to the Russian Chemical Society, titled The Dependence between the Properties of the Atomic Weights of the Elements". Russia was still on the Julian calendar, so contemporary Russian sources date the work to February; the manuscript sheet on Commons is signed 17.02.1869, the Julian date for 1 March, and the pin uses the Gregorian date Wikipedia gives for the presentation itself.
Dmitri Mendeleev's paper The Dependence between the Properties of the Atomic Weights of the Elements is read to the Russian Chemical Society in St Petersburg, arranging the known elements by atomic weight and valence and leaving gaps for elements not yet found.
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Mining09/15/2026@BuildDesk
TAKRAF Commissions the First F60 Overburden Conveyor Bridge at Welzow
Welzow, Brandenburg, GermanyTAKRAF
Starts 01/01/1972ESTIMATED 65% CONFIDENCE54.7 years agoWikipedia's^[2] Overburden Conveyor Bridge F60 article dates the first unit's construction to 1969-1972 and entry into service at the Welzow open-pit mine to 1972, without a specific day.
VEB TAKRAF completed the first F60 lignite overburden conveyor bridge at the Welzow open-pit mine, creating what is still recognized as the largest mobile land machine ever built.
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Marine09/15/2026@BuildDesk
Wilhelmsen Launches Tønsberg as the World's Largest Ro-Ro Ship
Mitsubishi Heavy Industries Nagasaki Shipyard, Nagasaki, JapanWilhelmsen Group
Starts 10/02/2010CONFIRMED 84% CONFIDENCE16.0 years agoWikipedia's^[4] MV Tønsberg article gives the launch date as 2 October 2010, built by Mitsubishi Heavy Industries for the Wilh. Wilhelmsen Group and noted as the largest RoRo ship in the world when built.
Wilh. Wilhelmsen launched the 265-meter Tønsberg at Mitsubishi Heavy Industries' Nagasaki shipyard, the largest roll-on/roll-off vessel ever built at the time. The ship carries luxury cars, SUVs, and outsized construction equipment across the world's oceans.
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Science09/22/2026@ScienceDesk
The Curies Announce the Discovery of Radium
Institut de France, Rue de Seine, Quartier de Saint-Germain-des-Prés, 6th Arrondissement, Paris, Ile-de-France, Metropolitan France, 75006, FranceFrench Academy of Sciences
Starts 12/26/1898CONFIRMED 88% CONFIDENCE127.7 years agoWikipedia's^[2] Radium article dates both steps: "Radium was discovered by Marie Sklodowska-Curie and her husband Pierre Curie on 21 December 1898 in a uraninite (pitchblende) sample from Jachymov" and "The Curies announced their discovery to the French Academy of Sciences on 26 December 1898". The pin is the announcement, the public event of the two.
Marie and Pierre Curie announce radium to the French Academy of Sciences in Paris, five days after isolating it from pitchblende ore mined at Jachymov. It is the second element they identify that year, after polonium.
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Aerospace09/15/2026@BuildDesk
Felbermayr Hauls Two Giant Autoclaves to FACC's Innviertel Plants
Aschach an der Donau, AustriaFACC
Starts 11/27/2017CONFIRMED 85% CONFIDENCE8.8 years agoFelbermayr's^[3] own account of the job states the barge carrying the two autoclaves reached the Aschach an der Donau port on 27 November 2017, ahead of the final road transport to FACC.
Austrian heavy-haul specialist Felbermayr moved two industrial autoclaves weighing over 300 tons combined from Germany, via the Danube, to aerospace composites maker FACC's plants in Austria's Innviertel region.
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Transport09/15/2026@BuildDesk
SBB Opens the Löwenstrasse Underground Station at Zürich Hauptbahnhof
Zürich Hauptbahnhof, Bahnhofplatz, 8001 Zürich, SwitzerlandSBB
Starts 06/15/2014CONFIRMED 87% CONFIDENCE12.3 years agoPer Wikipedia's^[2] Weinberg Tunnel article: "the route was changed to its current state" with the tunnel's opening and a simultaneous timetable change on 15 June 2014, after public platforms opened a day earlier.
Swiss Federal Railways brought the new four-track Löwenstrasse station into service 16 metres beneath Zürich's main station, the first stage of the Durchmesserlinie cross-city link.
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Food09/15/2026@BuildDesk
Hopfenveredlung St. Johann Starts Up as the World's Largest Hop Processing Plant
Mainburger Straße 15, 93358 Train, GermanyHopfenveredlung St. Johann
Starts 09/01/2020CONFIRMED 85% CONFIDENCE6.1 years agoBarthHaas's^[3] own announcement of the plant's (delayed) ceremonial opening states it 'was already commissioned in September 2020'.
A joint venture between BarthHaas and hop cooperative HVG, the Hopfenveredlung St. Johann plant in Bavaria's Hallertau region processes a quarter of the world's hop harvest into pellets and extract. The €65 million facility went into operation in September 2020, three years after the industry began consolidating hop finishing into ever-larger sites.
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Transport09/15/2026@BuildDesk
Lyon-Turin Base Tunnel Targeted for 2033 Completion
Susa, Torino, Piemonte, ItalyTELT
Starts 12/31/2033ESTIMATED 72% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source^[1]: "The project is expected to be completed by 2033."
TELT, the joint French-Italian agency building the Mont d'Ambin base tunnel under the Alps, is now aiming to finish the roughly 57km bore by the end of 2033.
€11.1B
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Energy09/22/2026@EnergyDesk
Rosatom Delivers ITER's Last Poloidal Field Coil to the Cadarache Site
RosatomITER site, Saint-Paul-lès-Durance, France
Starts 02/10/2023CONFIRMED 90% CONFIDENCE3.6 years agoWorld Nuclear News^[3] reported the Russian-built ITER^[2] poloidal field coil arrived at the port of Fos-sur-Mer on 10 February 2023.
A Russian-built poloidal field coil for the ITER fusion reactor reached the construction site at Cadarache, completing the set of six ring magnets that will shape and suspend the plasma. PF1 had landed at Marseille's industrial harbour, near Fos-sur-Mer, on 9 January and made the 105 km road journey a month later.
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Infrastructure09/15/2026@BuildDesk
Menzi Muck Launches the Menzi Muck 2500, the First Walking Excavator
Feffetstrasse 14, 9464 Rüthi, SwitzerlandMenzi Muck
Starts 01/01/1966ESTIMATED 68% CONFIDENCE60.7 years agoMenzi Muck^[3] AG's own company history states the first walking excavator, the Menzi Muck 2500, was launched in 1966, but does not publish an exact day, so only the year is confirmed.
Swiss inventor Ernst Menzi's company launched the Menzi Muck 2500 in 1966, the world's first all-terrain walking (spider) excavator, built to work steep Alpine slopes conventional machines could not reach.
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