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Timeline of Boulder, Colorado facts for kids

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The following is a timeline of the history of the city of Boulder, Colorado, USA.

Boulder, Colorado, ca. 1900
Panorama print of Boulder, 1900

19th century

  • 1858 - Settlement formed.
  • 1859
    • Boulder City Town Company formed.
    • Town laid out.
  • 1860 - Schoolhouse opens.
  • 1869 - Boulder County News begins publication.
  • 1870
    • Denver and Boulder Valley Railroad begins operating.
    • Population: 1,939.
  • 1871 - Town incorporated.
  • 1873 - Railroad begins operating.
  • 1875
    • Colorado Banner newspaper begins publication.
    • Boulder High School established.
  • 1876 - Boulder becomes part of new State of Colorado.
  • 1877 - September 5: University of Colorado opens.
  • 1883 - University of Colorado Medical School opens.
  • 1885 - Denver, Marshall and Boulder Railway begins operating.
  • 1890
    • Boulder Railroad Depot built.
    • Boulder Camera begins publication.
  • 1891 - Feeny Opera House active (approximate date).
  • 1892
  • 1893 - Philharmonic Club formed.
  • 1895 - Crockett Ricketts elected mayor.
  • 1896 - Colorado Sanitarium in business.
  • 1898

20th century

1900s-1940s

  • 1900 - Colorado Chautauqua established.
  • 1902
    • Boulder Oil Field well in operation.
    • University of Colorado Museum of Natural History founded.
  • 1906
  • 1907 - Carnegie Library built.
  • 1909
    • Denver, Boulder and Western Railroad begins operating.
    • Hotel Boulderado in business.
  • 1910 - Population: 9,539.
  • 1923 - Macky Auditorium opens.
  • 1924 - Colorado Stadium opens.
  • 1926 - Rialto Theatre built.
  • 1929 - Denver Municipal Airport begins operating.
  • 1937 - Balch Fieldhouse (arena) opens.
  • 1941 - Civic Symphony Orchestra founded.
  • 1944 - Boulder Historical Society established.
  • 1947 - KBOL radio begins broadcasting.
  • 1948
    • Andrews Arboretum established.
    • Conference on World Affairs begins at the University of Colorado.
  • 1949 - Sommers–Bausch Observatory built.

1950s-1990s

  • 1952
  • 1953 - Colorado Daily in publication.
  • 1954 - September: U.S. National Institute of Standards and Technology facility dedicated.
  • 1955 – Denver Regional Council of Governments formed.
  • 1958
  • 1963 - Crossroads Mall in business.
  • 1966 - Attention Homes opens its first home on 14th St.
  • 1967 - U.S. National Center for Atmospheric Research Mesa Laboratory built.
  • 1969 - Regional Transportation District (public transit system) organized.
  • 1970
    • City "comprehensive plan" created.
    • Paladin Press in business.
  • 1971 - Boulder Arts and Crafts Cooperative founded.
  • 1972 - Historic Boulder, Inc. formed.
  • 1973 - Vajradhatu headquartered in Boulder.
  • 1974 - Naropa Institute and Jack Kerouac School of Disembodied Poetics established.
  • 1975 - KBVL radio begins broadcasting.
  • 1976
  • 1977
  • 1978 - Boulder Magazine begins publication.
  • 1979
  • 1980 - Kinetics Conveyance Race begins.
  • 1983 - January 1: Polar Bear Plunge begins.
  • 1986
    • Farmer's Market begins.
    • Sister city relationship established with Lhasa, Tibet.
  • 1987 - Sister city relationship active with Dushanbe, Tajikistan.
  • 1988 - Colorado MahlerFest begins.
  • 1989 - Rocky Mountain Spiritual Emergence Network Times begins publication.
  • 1990 - Radio Reading Service of the Rockies founded.
  • 1991
    • Culinary School of the Rockies founded.
    • eTown (radio program) begins broadcasting.
  • 1993
    • Mountain Sun pub in business.
    • Boulder Weekly begins publication.
  • 1994
  • 1996
    • Boulder Area Trails Coalition founded.
    • Smoking ban enacted.
  • 1998
    • October 31: Naked Pumpkin Run begins.
    • Bob Greenlee becomes mayor.
    • Dushanbe Tea House opens.
    • Bent Lens Cinema founded.

21st century

  • 2002 — Spot Bouldering Gym in business.
  • 2004
    • Mark Ruzzin becomes mayor.
    • Shoot Out 24 Hour Filmmaking Festival begins.
    • Boulder Chamber Orchestra founded.
  • 2005 — Boulder Adventure Film Festival begins.
  • 2006
    • November: Carbon tax approved.
    • Twenty Ninth Street shopping center in business.
    • Bikes Belong coalition headquartered in Boulder (approximate date).[1]
  • 2007
    • Communikey Festival begins.
    • October - Outdoor gear co-op REI opens prototype green store on 28th St.
  • 2009
    • Susan Osborne becomes mayor, succeeded by Matthew Appelbaum.
    • Jared Polis becomes Colorado's 2nd congressional district representative.
    • Sister city relationship established with Kisumu, Kenya.
  • 2010 — Population: 97,385.
    • Radio station KBCO leaves Boulder for Denver Tech Center studios
    • Fourmile Canyon fire burns over 400 homes.
  • 2011
  • 2012 — National Institute of Standards and Technology Precision Measurement Laboratory dedicated.
  • 2013
  • 2014
    • Galvanize opens Boulder location
  • 2016
    • October — Sen. Bernie Sanders headlines ColoradoCare healthcare-for-all ballot Amendment 69 rally at CU Farrand Field
    • Nov. 10 — US36 shut down briefly as anti-Trump protesters march
  • 2017
    • October — OpenStreetMap State of the Map U.S. conference at CU Folsom Field
  • 2018
    • Ban on assault weapons, bump stocks, large magazines
    • Boulder History Museum, rebranded as Museum of Boulder, opens in former Masonic Lodge on Broadway
    • Radio station KGNU celebrates 40th anniversary, commemorated with Museum of Boulder exhibit
  • 2021
    • March 21 — A mass shooting occurs at a King Soopers supermarket in Boulder.
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