Pins matching place:Chicago

Fischer Black and Myron Scholes give a closed-form price for a European option in the Journal of Political Economy, in the same year the Chicago Board Options Exchange opens. The formula becomes the language of the derivatives market.

Grant Achatz's "maximalist modernist" restaurant opened on a Lincoln Park side street and went on to hold three Michelin stars from 2011 to 2024. It is named after the alinea, the paragraph symbol that is also its logo.

The US General Services Administration reversed course on a $52M congressional earmark to demolish two historic Chicago Loop skyscrapers, opting to reuse them instead after a sustained preservation campaign.

The Lawrence, Argyle, Berwyn and Bryn Mawr stations reopened fully accessible, with elevators and escalators at main entrances, wider platforms, translucent overhead canopies and new public artwork. They sit on 1.3 miles of new track structure, bridges and viaducts built between Lawrence and Bryn Mawr under the CTA's $2.1 billion Red and Purple Modernization Phase One project.

David and Anna Posey open a French bistro with a Chicago accent on West Randolph Street, run day to day by chef de cuisine Tayler Ploshehanski.

The Chicago Transit Authority started building the $5.7 billion, 5.5-mile extension of the Red Line south from 95th/Dan Ryan, with a ceremony at the site of the future Michigan Avenue station. Four new accessible stations near 103rd Street, 111th Street, Michigan Avenue and 130th Street will bring rapid transit to the Far South Side for the first time.

The Obama Foundation's 19.3-acre campus in Jackson Park, built around a 225-foot museum tower, took its first visitors on Juneteenth, the day after a dedication ceremony at John Lewis Plaza. At roughly $850 million it is the most expensive presidential library yet built; ground was broken in September 2021 after years of lawsuits over the Jackson Park site.

The $815 million AbbVie Foundation Cancer Pavilion, a seven-storey 575,000-square-foot building north of 57th Street in Hyde Park, is Illinois' first freestanding cancer centre, with 80 inpatient beds, 90 outpatient exam rooms and dedicated imaging, infusion and clinical trial space. It pulls together cancer services currently spread across at least five buildings on the campus.

Related Midwest's 72-story North Tower, built inside the abandoned Chicago Spire foundation pit, is slated to open along the city's lakefront in 2027.

AbbVie's phase 3 trial of Armour Thyroid in hypothyroidism reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 2,800 participants. This study will evaluate the efficacy and safety of Armour Thyroid treatment compared with synthetic T4 in subjects who have primary hypothyroidism and are currently stabilized (i.e., in-range thyroid-stimulating hormone \[TSH\]) on synthetic T4 treatment. This study will also therefore evaluate the efficacy and safety of dose conversion from synthetic T4 therapy to Armour Thyroid therapy.

The first of two satellite concourses west of O'Hare's terminal core, designed by Skidmore, Owings & Merrill with Norviska and designated Concourse D, is reached by an underground tunnel from the terminals. Vertical construction started in April 2026; the $1.45 billion concourse is the first piece of the O'Hare 21 rebuild to be delivered, a programme approved in 2018 at $8.5 billion and now put at roughly $12 billion in current dollars.

Chicago's O'Hare 21 terminal overhaul, including a new Global Terminal, has pushed its completion years past its original target as costs climbed.