829 Avenida de Mayo, Monserrat, Buenos Aires, ArgentinaCafé Tortoni
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Wikipedia[1] gives the year only - "First opened in 1858 by a French immigrant" - with no month or day, so the pin sits on that year's last day.
Café Tortoni first opened in 1858, started by a French immigrant who named it after a Paris cafe, and became the room where Buenos Aires argued about itself - Borges, Gardel and Rubinstein among the regulars whose likenesses now sit at its tables. It still trades on Avenida de Mayo with its original marble, mirrors and tango cellar.
Gerbeaud Confectionary, 7-8, Vörösmarty square, Lipótváros, 5th district, Budapest, Central Hungary, 1051, HungaryCafé Gerbeaud
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The article states it was "opened in 1858" and gives no month or day, so the pin sits on that year's last day.[1]
The coffeehouse on Vörösmarty tér opened in 1858 and grew into one of the largest and grandest in Europe, its rooms panelled and chandeliered on a scale that belongs to the Habsburg city. It gave its name to the Gerbeaud slice and remains the fixture by which Budapest's café tradition is measured.
Suez Canal Authority, شارع الجمهوريه, الدائرة الجمركية, سيريا, بورسعيد, 42529, مصرSuez Canal Authority
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The Suez Canal[1] Authority's own history page and Wikipedia[2] both give 25 April 1859 for the start of digging at Port Said (Al-Farama). HISTORY.com[3][4] says only 'early 1859', which is consistent.
On 25 April 1859 the Suez Canal Company broke ground at what is now Port Said, starting a ten-year dig across the Isthmus of Suez. The Suez Canal Authority says about 20,000 Egyptians took part in the groundbreaking despite objections from Britain and the Ottoman Empire.
John Murray, 50, Albemarle Street, St. James's, East Marylebone, Mayfair, City of Westminster, Greater London, England, W1S 4BD, United KingdomJohn Murray
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Wikipedia's[2][3] article gives the publication date without hedging - "It was published on 24 November 1859" - and Darwin Online[1] serves the 1859 Murray first edition (F373) that appeared on that day. The date is one of the best-attested in the history of science and no source consulted disputes it.
John Murray issues the first edition of Charles Darwin's On the Origin of Species by Means of Natural Selection from 50 Albemarle Street in London. The print run of 1,250 copies is taken up by the trade on the day of publication.
60 Stanley Street, SoHo, Central, Hong KongTai Ping Koon
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Wikipedia[1] states that the founder "established it in 1860 as a restaurant serving Western cuisine" and gives no month or day, so the pin takes that year's last day.
Tai Ping Koon was established in 1860 serving Western food to Chinese diners, and in doing so more or less invented the genre Hong Kong calls soy-sauce Western - Swiss chicken wings in a sweet soy braise, baked pork chop rice, souffle to finish. It began in Canton and became a Hong Kong business alone when the Canton branch was confiscated and closed in 1956.
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The London Transport Museum and Britannica[4] both date the Metropolitan Railway's opening between Paddington and Farringdon to January 10, 1863.
The Metropolitan Railway opened between Paddington and Farringdon on January 10, 1863, the world's first underground railway and the ancestor of every metro system shown in Moving Millions Every Day.
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The article's infobox gives the year only - established 1864 - so the pin takes that year's last day.[1]
Quanjude opened in 1864 and made its name on a method: hanging the ducks in an open oven over fruitwood rather than closing them in, which crisps the skin differently. The dish it standardised is the one the world now calls Peking duck, and the carving at the table is part of it.
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The Paris[3] sewer museum's own history page states tours "began in 1867, during the World's Fair" without naming an exact day, so the pin uses the Fair's opening date.
During the 1867 Exposition Universelle, Paris opened Baron Haussmann's newly rebuilt sewer network to public tours for the first time, turning Eugène Belgrand's engineering into a civic showcase.
St. Petersburg State University, Менделеевская линия, округ № 7, Saint Petersburg, Northwestern Federal District, 199034, RussiaRussian Chemical Society
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Wikipedia'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.
Suez Canal Authority, شارع الجمهوريه, الدائرة الجمركية, سيريا, بورسعيد, 42529, مصرSuez Canal Authority
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The Suez Canal[2] Authority, Wikipedia[3], HISTORY.com[1] and EBSCO[6] all give 17 November 1869 for the inauguration; the ceremonies had begun on the evening of 15 November, and the first ship procession entered on the morning of 17 November.
The Suez Canal was inaugurated on 17 November 1869, linking the Mediterranean and the Red Sea after ten years of digging. A procession of ships headed by the French imperial yacht L'Aigle, carrying Empress Eugenie, entered the canal at Port Said.
Nowroji Ferdonji Street, Apollo Bandar, Colaba, Mumbai, Maharashtra, IndiaLeopold Cafe
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Wikipedia[1] gives the year only - "The Leopold Cafe was founded in 1871 by Iranis" - and its infobox agrees, with no month or day, so the pin sits on that year's last day.
Leopold Cafe was founded in Colaba in 1871 by Irani immigrants, part of the wave of Zoroastrian cafes that shaped how Bombay eats out, and has outlasted almost all of them. It became a fixture for travellers along the Causeway, and was one of the sites attacked in November 2008 - it reopened days afterwards and kept the bullet marks in its walls.
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Happened as dated, per the source[1]: "Brooklyn Bridge opens | May 24, 1883".
New York's Brooklyn Bridge opened to the public, completing a 13-year construction effort that Emily Warren Roebling steered to completion after her husband was incapacitated by decompression sickness.
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The source[1] names the day and the hour of the largest blast: "On 27 August, the island had its most significant eruption ... the third explosion of that day, that occurred at 10:02 a.m., remains the loudest-known sound in history."
The third explosion of 27 August 1883 destroyed over 70% of the island and remains the loudest sound in recorded history, audible in Perth and near Mauritius. The eruption and its tsunamis killed at least 36,417 people.
Paris Gare de l'Est, Place du 11 Novembre 1918, Quartier Saint-Vincent-de-Paul, Paris 10e Arrondissement, Paris, Île-de-France, France métropolitaine, 75010, FranceCompagnie Internationale des Wagons-Lits
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Wikipedia's[1][2][4] Orient Express[3] article dates the extension to Giurgiu and onward to Constantinople to 4 October 1883, and its Gare de l'Est article records the first Orient Express departure that day; the first Paris-Vienna run was 5 June 1883.
On 4 October 1883 the Express d'Orient, run by Wagons-Lits, began its through service from Paris to Constantinople, the start of the legendary Orient Express.
Marine Parade, Watsons Bay, Sydney, New South Wales, AustraliaDoyles on the Beach
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The article's infobox gives the year only - established 1885 - with no month or day, so the pin takes that year's last day.[1]
The Doyle family began selling fish on the sand at Watsons Bay in 1885, looking back across the harbour at the city, and the business has stayed in the family for five generations - one of the oldest restaurants in Australia still run by the people whose name is on it.
Neuschwansteinstraße, Hohenschwangau, Schwangau, Bavaria, Germany
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Happened as dated, per the source[1]: "was opened to the public from 1 August 1886".
Bavaria's unfinished fairy-tale castle, built for King Ludwig II and left incomplete at his sudden death, opened to paying visitors for the first time.
Statue of Liberty, Liberty Island, New York, NY 10004, USA
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Happened as dated, per the source[1]: "on October 28, 1886, President Grover Cleveland oversaw the dedication of the Statue of Liberty".
President Grover Cleveland dedicates Frédéric Bartholdi's monumental copper figure on Bedloe's Island, capping a decade of Franco-American fundraising and engineering.
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Happened as dated, per the source[1]: "opened to the public in Washington, D.C., on this day in history, Oct. 9, 1888".
After decades of stalled funding and a visible change in stone partway up its shaft, the Washington Monument finally opened its doors to visitors in 1888.
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History.com[4] and the Eiffel Tower’s own history page date the structure’s completion and dedication ceremony to 31 March 1889.
Gustave Eiffel’s engineering firm finished the Eiffel Tower in Paris after just over two years of construction, built as the entrance arch for the 1889 Exposition Universelle. The 300-metre iron lattice tower was the tallest man-made structure in the world at the time.
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Network Rail[4] confirms the Prince of Wales formally opened the Forth Bridge on 4 March 1890.
The Forth Bridge, a railway cantilever spanning the Firth of Forth in Scotland, was formally opened by the Prince of Wales on 4 March 1890, some months after the structure itself was finished in November 1889. Designed by John Fowler and Benjamin Baker and built by Sir William Arrol & Co., it was Britain's first major all-steel structure and the world's longest cantilever bridge span.
Buckhorn Exchange, 1000, Osage Street, La Alma–Lincoln Park, Denver, Colorado, 80204, United StatesBuckhorn Exchange
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The article's infobox gives the exact day, 17 November 1893.[1]
Henry Zietz opened the Buckhorn Exchange on 17 November 1893 across from the rail yards, and it holds Colorado liquor licence number one. The walls carry several hundred mounted animals and the menu still runs to elk, buffalo and rattlesnake.
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The article gives the founding year only - established 1894 - so the pin sits on that year's last day.[1]
Confeitaria Colombo opened in 1894 and fitted itself out like a Parisian tea room transplanted to the tropics - Belgian mirrors, Italian marble, a jacaranda counter and a stained-glass skylight over the hall. It became the meeting room of Rio's belle epoque and is now listed as heritage.
3 Carrer de Montsió, Gothic Quarter, Ciutat Vella, Barcelona, SpainEls Quatre Gats
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Wikipedia[1] states the day outright: "The café opened on 12 June 1897 in the celebrated Casa Martí".
The café that became the meeting room of Catalan modernisme opened on 12 June 1897 in the Casa Martí, a Puig i Cadafalch building in the Gothic Quarter. It lasted only six years in its first run, but in them it hosted Picasso's first solo exhibition and the circle around Rusiñol and Casas - and he drew its menu card.
The Birthplace Of Pepsi Cola, 256, Middle Street, Craven Terrace, New Bern, Craven County, North Carolina, 28560, United StatesPepsiCo
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The North Carolina Department of Natural and Cultural Resources writes "On August 28, 1898, 'Pepsi-Cola' got its name"; the New Bern Historical[2] Society republishes the same item and Wikipedia[3] says Bradham "coined the name 'Pepsi-Cola' in 1898".
On 28 August 1898 New Bern, North Carolina, pharmacist Caleb Bradham renamed his carbonated "Brad's Drink" as Pepsi-Cola, the name from which PepsiCo takes its own.
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
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Wikipedia'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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RATP's[3] own history page gives 19 July 1900 as the inauguration date of the first métro line; EarthSky's[2] science-history article gives June 19, 1900, a month early.
The Paris Métro's first line opened to the public on 19 July 1900, running between Porte Maillot and Porte de Vincennes.
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The source[1] says the system "peaked as a Category 4 hurricane with maximum sustained winds of 145 mph (235 km/h) on September 8" and "made landfall around 8:00 p.m." that evening — about 02:00 UTC on 9 September. The storm is known by its local date of 8 September.
A Category 4 hurricane drove a storm surge of over 15 ft across Galveston Island, killing between 6,000 and 12,000 people. It remains the deadliest natural disaster in United States history.
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Wikipedia’s[2][3] USS Holland (SS-1) article dates her US Navy commissioning to 12 October 1900.
The US Navy commissioned USS Holland (SS-1), designed by Irish-American engineer John Philip Holland, becoming the first submarine in an unbroken line of US Navy submarines.
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Wikipedia[1] states "It was established in 1900" and gives no month or day, so the pin sits on that year's last day. It is placed at a Shanghai[2] branch of the restaurant rather than the original premises.
The house that made xiaolongbao a Shanghai export was established in 1900, selling the thin-skinned soup dumplings that had been developed in Nanxiang town on the city's edge a couple of decades earlier. Queues for them became a fixture of the old city, and the name is now on branches across Shanghai and abroad.
Theatercaféen, Klingenberggata, Vika, Sentrum, Oslo 0161, NorwayTheatercaféen
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The article states "Theatercaféen opened in 1900" without a month or day, so the pin sits on that year's last day.[1]
Theatercaféen opened in 1900 across the street from Oslo's National Theatre and became the room where Norwegian actors, writers and politicians ate after curtain - a Viennese-style café with a gallery, caricatures of its regulars on the walls and live music from a balcony.