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On This Day | January 30

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2009
The Trump International Hotel and Tower (Chicago) opened

The Trump International Hotel and Tower is a skyscraper condo-hotel in downtown Chicago, Illinois. The building, named for Donald Trump, was designed by architect Adrian Smith of Skidmore, Owings and Merrill. Bovis Lend Lease built the 100-story structure, which reaches a height of 1,388 feet (423.2 m) including its spire, its roof topping out at 1,171 feet (357 m).

2009
Santo Domingo Metro opened

The Santo Domingo Metro is a rapid transit system in Greater Santo Domingo. Serving the capital of the Dominican Republic, it is the most extensive metro system in the insular Caribbean and Central American region by length and number of stations. It began operation in 2008. The current length of the Metro, with the sections of the two lines open as of August 2013, is 27.35 kilometres (16.99 mi). Before the second line's opening, 30,856,515 passengers had ridden the Santo Domingo Metro in 2012. With both lines opened, ridership increased to 61,270,054 passengers in 2014. Four more lines are planned to be constructed in the near future, for a total of six lines.

1826
Menai Suspension Bridge opened

The Menai Suspension Bridge is a suspension bridge spanning the Menai Strait between the island of Anglesey and the mainland of Wales. Designed by Thomas Telford and completed in 1826, it was the world's first major suspension bridge. The bridge still carries road traffic and is a Grade I listed structure.

1607
1607 Bristol Channel floods

The Bristol Channel floods of 30 January 1607 drowned many people and destroyed a large amount of farmland and livestock during a flood in the Bristol Channel area of the UK. The known tide heights, probable weather, extent and depth of flooding, and coastal flooding elsewhere in the UK on the same day all point to the cause being a storm surge rather than a tsunami.

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18th Asian Regional Geotechnical Engineering Conference

Aug, 04, 2026 | Event

The Thai Geotechnical Society (TGS), under the auspices of the International Society for Soil Mechan...

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Expanding the Rocscience Software Ecosystem with New ShapeMetriX Integrations

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Bringing high-resolution 3D data directly into underground excavation and rockfall analysisModern g...

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Soil nails replace temporary barriers at Dinah's Hollow landslip route

Jul, 12, 2026 | News

A long-running slope stability problem on the C13 at Dinah's Hollow in Dorset has reached the halfwa...

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Layered seabed geology changes how subsea cables should be protected

Jul, 07, 2026 | News

The weakest part of a subsea cable route is not always the cable itself. Often, it is the ground mod...

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Norwegian tunnelling methods could reshape the Peak District tunnel case

Jul, 14, 2026 | News

A new proposal has revived the long-running idea of a road tunnel beneath the Peak District, aiming...

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Second giant TBM begins work on India’s first undersea rail tunnel

Jul, 19, 2026 | News

A second large-diameter tunnel boring machine has started excavation on the Mumbai-Ahmedabad High-Sp...