Construction started in 1840 and lasted for thirty years, suffering great delays and cost overruns, as well as the death of both leading architects ; works for the interior decoration continued intermittently well into the twentieth century.

Construction started in 1952 and lasted until 1955.

Construction of a new city there lasted from 1407 to 1420, employing hundreds of thousands of workers daily.

Construction lasted from 1819 to 1824.

Construction lasted 15 years, and required more than a million workers.

Construction lasted until 1902, and the dam was opened on 10 December 1902.

Construction started in 1780 and lasted ten years.

Construction lasted 21 years, which transformed the urban and social environment of El Escorial.

Construction lasted four years.

Construction began in 1989, and lasted 33 months.

Construction was approved in 1972 and lasted from 1974 to 1981, but power production did not begin until 1985.

Construction work on the canal lasted from 1945 to 1951.

Construction began in October 2007 and lasted two years.

Construction lasted another two years, and the stadium held an opening ceremony on March 27, 1976.

Construction started on May 1, 2006 and lasted until September 18, 2006.

Construction on Fort Pickens lasted from 1829 to 1834, with 21. 5 million bricks being used to build the fort.

Construction lasted for four years and on 30 July 1756 the architect presented the brand-new 325-meter-long palace to the Empress, her dazed courtiers, and stupefied foreign ambassadors.

Construction of the fort lasted through the summer of 1816.

Construction lasted from 2008 to 2011.

Construction began on October 2, 1672 and lasted twenty-three years, with completion in 1695.

Construction lasted into the 1910s as topography and geographic isolation made building difficult.

Construction lasted from 1901 to 1906.

Construction by Bouygues, Campenon Bernard, Dumez, Monberg & Thorsen now part of MT Hoejgaard, Quillery, Sogea and Spie Batignolles began in 1988 and lasted 7 years.

Construction of the centre commenced in 1985 and lasted nearly three years.

Final construction and the addition of the Kariba North Power cavern by Mitchell Construction was not completed until 1977 due to largely political problems for a total cost of $ 480, 000, 000.

Construction began in the 6th century BC during the rule of the Athenian tyrants, who envisaged building the greatest temple in the ancient world, but it was not completed until the reign of the Roman Emperor Hadrian in the 2nd century AD some 638 years after the project had begun.

Von Braun's thesis, Construction, Theoretical, and Experimental Solution to the Problem of the Liquid Propellant Rocket ( dated 16 April 1934 ), was kept classified by the German army and was not published until 1960.

He waited until 1802 ( in Catalogue of 500 new Nebulae, nebulous Stars, planetary Nebulae, and Clusters of Stars ; with Remarks on the Construction of the Heavens ) to announce the hypothesis that the two stars might be " binary sidereal systems " orbiting under mutual gravitational attraction, a hypothesis he confirmed in 1803 in his Account of the Changes that have happened, during the last Twenty-five Years, in the relative Situation of Double-stars ; with an Investigation of the Cause to which they are owing.

* 1287 – Construction on the Cathedral of Uppsala is begun ; it will not be completed until 1435.

* Construction on the Cathedral of Uppsala is begun ; it will not be completed until 1435.

Construction continues until AD 200.

Construction on the lake started in 1936 and it was not fully complete until 1943.

* 1917: The Bureau of Construction & Repair introduces the MK V helmet and dress, which then becomes the standard for US Navy diving until the introduction of the MK 12 in the late seventies

Construction of the choir took from 1163 until around 1177 and the new High Altar was consecrated in 1182 ( it was normal practice for the eastern end of a new church to be completed first, so that a temporary wall could be erected at the west of the choir, allowing the chapter to use it without interruption while the rest of the building slowly took shape ).

* Performing Arts Center – Construction will begin after 2014 since a temporary exit from the PATH station will occupy the site until then.

Construction began in 1962 on the Walthamstow-Victoria section and continued until 1972, when Pimlico station was opened.

Construction of the GR & I continued for several years until the line reached Petoskey in December 1873.

Construction didn't even begin until a month before Opening Day ; after starting the season on a long road trip, the Blue Sox managed to sell out their home opener in late May, with thousands of fans turned away.

Construction of facilities was conducted by the 4224th Air Base Squadron until October 20, 1952, when the base was turned over to the 340th Bombardment Wing.

Construction began in 1930 and continued until 1932 under the supervision of Ole S. Quammen.

Construction of the Natchez Trace began in 1802, and work continued on improving the road until it was officially declared complete in 1809.

Construction of a new village hall in 1985 included the branch library, where it resided until 2010.

Construction of the Sheboygan and Fond du Lac Plank Road began in 1851 and the village flourished until the early 1860s when the railroad became the main transportation artery between the port of Sheboygan and the interior of the state.

Construction of the monument, by the contractors Grissell and Peto, progressed slowly, and the stonework, ready for the installation of the statue, was not completed until November 1843.

Construction started in 1871 and continued until ventilating equipment failed the next year ; work was soon abandoned.

Construction, however, stalled almost totally until 1480, due to lack of money and ideas: the most notable works of this period were the tombs of Marco Carelli and Pope Martin V ( 1424 ) and the windows of the apse ( 1470s ), of which those extant portray St. John the Evangelist, by Cristoforo de ' Mottis, and Saint Eligius and San John of Damascus, both by Niccolò da Varallo.

Construction plans were not finalized until December 1966 when presidents Lyndon B. Johnson and Gustavo Díaz Ordaz met on the international bridge.