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Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span
CONFIRMED87% CONFIDENCE136.6 years agoNetwork Rail[3] 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.0.731915 Çanakkale Bridge Opens as World's Longest Suspension Bridge
1915 Çanakkale Köprüsü, Lapseki, Çanakkale, Turkey
CONFIRMED90% CONFIDENCE4.5 years agoHappened as dated, per the source[1]: "opened for traffic Friday in a ceremony attended by President Recep Tayyip Erdoğan."Turkey opened the 1915 Çanakkale Bridge across the Dardanelles, taking the title of the longest suspension bridge span on Earth.$2.8B0.66Danube Valley Bridge Opens in Linz, Austria
CONFIRMED89% CONFIDENCE1.9 years agoHappened as dated, per the source[1]: "The Danube Valley Bridge and this phase of the A26 opened to the public in November 2024".Austria's motorway operator ASFINAG opened the new Danube Valley Bridge and its connecting tunnels in Linz, the world's longest earth-anchored suspension bridge, completing the first phase of the A26 Westring motorway.€305M0.65Egypt Opens the Mubarak Pumping Station on the Toshka Project
CONFIRMED78% CONFIDENCE21.6 years agoSources agree the Mubarak Pumping Station "was inaugurated in March 2005"; no source gives the exact day, so this pin is dated to the start of that month.[1]The world's largest pumping station begins lifting water from Lake Nasser into the Sheikh Zayed Canal, launching Egypt's attempt to grow a second Nile valley 310 km into the Sahara.$436M0.65Menzi Muck Launches the Menzi Muck 2500, the First Walking Excavator
ESTIMATED68% 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.0.64Polymetal Installs Its Record 1,100-Tonne Gold Autoclave at Amursk
CONFIRMED87% CONFIDENCE6.1 years agoInternational Mining reported on 17 August 2020 that Polymetal's 1,100-tonne autoclave vessel had been installed on schedule at the Amursk POX-2 site.[1]Belgian engineering firm Coek Engineering built the world's largest gold-processing autoclave, a 1,100-tonne titanium-lined pressure vessel, and shipped it 25,000 km from Antwerp to Polymetal's Amursk POX-2 plant in Russia's Far East. The vessel was installed on schedule in August 2020.0.64Emaar Properties Opens Burj Khalifa as the World's Tallest Building
CONFIRMED90% CONFIDENCE16.7 years agoGuinness World Records[2] and The National both confirm the official opening ceremony took place on January 4, 2010.Emaar Properties officially opened the 828-meter Burj Khalifa in Dubai, timed to the fifth anniversary of Sheikh Mohammed bin Rashid Al Maktoum's accession to power. The tower took the world's-tallest-building title from Taipei 101 by a record margin.0.63Mont Cenis Base Tunnel Opens
SCHEDULED84% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source[1]: the base tunnel "is expected to be commissioned by the end of 2033"; telt.eu[2] confirms "La date d'achèvement est prévue en 2033", a year later than the earlier 2032 target.At 57.5 km, the Mont Cenis Base Tunnel will be the world's longest rail tunnel, carrying the new Lyon–Turin railway under the Alps between Saint-Jean-de-Maurienne, France, and Susa, Italy.€11.1B0.63Liebherr Debuts the LTM 11200-9.1, the Longest Telescopic Boom Crane
ESTIMATED62% CONFIDENCE19.4 years agoLiebherr[3] and Guinness World Records[4] date the LTM 11200-9.1's public debut to bauma 2007 (Munich, 23-29 April 2007); no more precise reveal date within the fair is documented, so the pin uses the fair's opening day.Liebherr unveils the LTM 11200-9.1 mobile crane at bauma 2007 in Munich, boasting a 100-metre telescopic boom and a 1,200-tonne lift capacity, the longest telescopic boom of any crane.0.63Olympia Looping Debuts as the World's Largest Transportable Roller Coaster at Oktoberfest
CONFIRMED84% CONFIDENCE37.0 years agoCoasterpedia[3] and Wikipedia[4] both date the Olympia Looping's Oktoberfest[2] debut to 17 September 1989.The 34-meter, five-loop Olympia Looping premiered at Munich's Oktoberfest on 17 September 1989, becoming the largest portable roller coaster ever built and the only one with five inversions.0.63Gustave Eiffel’s Company Completes the Eiffel Tower
CONFIRMED80% CONFIDENCE137.5 years agoHistory.com[3] 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.0.63Ferrari World Opens as the World's Largest Indoor Theme Park in Abu Dhabi
CONFIRMED78% CONFIDENCE15.9 years agoBloomberg's[3] November 4, 2010 report on the public opening, corroborated by Wikipedia[2], dates Ferrari World's opening to that day.Aldar Properties opened Ferrari World on Yas Island, a Ferrari-branded park enclosed by a 200,000-square-meter roof shaped like the brand's GT badge, making it the world's largest indoor theme park.0.62
Ministry of Water Resources and Irrigation
