|Covid-19|March 31 - Eiffel Tower in Paris, designed by Gustave Eiffel, is inaugurated. At 300 m, its height exceeds the previous tallest structure in the world by 130 m.
May 6–October 31 - Exposition Universelle in Paris, with the Eiffel Tower as its entrance arch. The Galerie des machines, designed by architect Ferdinand Dutert and engineer Victor Contamin, at 111 m, spans the longest interior space in the world at this time.
July 12 - Cathedral of the Blessed Sacrament (Sacramento, California), designed by Bryan J. Klinch, is completed.
August 10 - At the Vienna Hofburg, the grand opening ceremony is held for the Imperial Natural History Museum (German: K.k. Naturhistorisches Hofmuseum), begun in 1871; from August 13 to the end of December, the museum counts 175,000 visitors.
October 15 - Amsterdam Centraal railway station in the Netherlands, designed by Pierre Cuypers with roof engineered by L. J. Eijmer, is opened.
December 9 - Auditorium Building in Chicago, designed by Louis Sullivan and Dankmar Adler, is opened.
Custom House designed by Charles McLay in Brisbane, Australia is completed.
Georgia State Capitol in Atlanta, designed by Edbrooke and Burnham, is completed.
First Presbyterian Church (Detroit, Michigan), designed by George D. Mason and Zachariah Rice, is built.
Mole Antonelliana in Turin, Italy, designed by Alessandro Antonelli, is completed.
Palau Güell in Barcelona, designed by Antoni Gaudí, is completed.
Science Hall in University of Minnesota Old Campus Historic District, Minneapolis, designed by Leroy Buffington and his assistant Harvey Ellis, is built.
Germania Bank Building in Saint Paul, Minnesota, designed by J. Walter Stevens assisted by Harvey Ellis, is built.
Royal Gold Medal - Charles Thomas Newton.
May 10 - Mihran Mesrobian, Armenian-born American (died 1975)
May 21 - R. Harold Zook, American architect (died 1949)
June 24 - Charles Cowles-Voysey, English architect (died 1981)
August 26 - Jan Buijs, Dutch architect (died 1961)
October 25 - Sven Markelius, Swedish architect (died 1972)
December 23 - Joseph Emberton, English modernist architect (died 1956)
May 31 - Charles Lanyon, English architect working in Northern Ireland (born 1813)
1889 in architecture Wikipedia
The year 1889 in architecture involved some significant events.