The Colorado Portal

Colorado is the state of the United States of America that encompasses most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the high western edge of the Great Plains. Admitted to the Union on August 1, 1876, Colorado became the 38th U.S. state. Colorado ranks 21st in population, eighth in total area, and first in mean elevation among the 50 U.S. states. Fifty-five of the 124 highest major mountain peaks of North America rise in Colorado. The United States Census Bureau estimated that the population of the State of Colorado was 5,829,926 on July 1, 2022, an increase of 1.15% since the 2020 United States census. Denver is the state capital, the most populous city, and the heart of the most populous metropolitan area of the Rocky Mountain Region. Colorado Springs is the state's second most populous city. While the population of the Front Range Urban Corridor now exceeds five million, many rugged portions of the state remain pristine wilderness.

WikiProject Colorado

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Colorado Events

  • Wikimedia US Mountain West Winter 2024 online meeting, Tuesday, February 13, 2024, 8:00-9:00 PM MST
  • Wikimedia US Mountain West Spring 2024 online meeting, Tuesday, May 14, 2024, 8:00-9:00 PM MDT
  • Wikimedia US Mountain West Summer 2024 online meeting, Tuesday, August 13, 2024, 8:00-9:00 PM MDT
  • Wikimedia US Mountain West Autumn 2024 online meeting, Tuesday, November 12, 2024, 8:00-9:00 PM MST
Previous events:
  • Wikimedia US Mountain West Autumn 2023 online meeting, Tuesday, November 14, 2023, 8:00-9:00 PM MST
  • Wikimedia US Mountain West Summer 2023 online meeting, Tuesday, August 8, 2023, 8:00-9:00 PM MDT
  • Wikimedia US Mountain West Spring 2023 online meeting, Tuesday, May 9, 2023, 8:00-9:00 PM MDT
  • Wikimedia US Mountain West Winter 2023 online meeting, Tuesday, February 14, 2023, 8:00-9:00 PM MST
  • WikiProject Colorado Autumn 2022 online meeting, Tuesday, November 15, 2022, 8:00-9:00 PM MST
  • WikiProject Colorado Summer 2022 online meeting, Tuesday, August 16, 2022, 8:00-9:00 PM MDT
  • WikiProject Colorado Spring 2022 online meeting, Tuesday, May 17, 2022, 7:30-8:30 PM MDT
  • WikiProject Colorado Winter 2022 online meeting, Tuesday, February 8, 2022, 7:30-8:30 PM MST
  • WikiProject Colorado Autumn 2021 online meeting, Tuesday, November 9, 2021, 7:30-8:30 PM MST
  • WikiProject Colorado Summer 2021 online meeting, Tuesday, August 10, 2021, 7:30-8:30 PM MDT
  • WikiProject Colorado Spring 2021 online meeting, Wednesday, May 12, 2021, 7:30-8:30 PM MDT
  • Tenth Annual Colorado Wiknic in Arvada, July 12, 2020 CANCELLED due to COVID-19
  • Ninth Annual Colorado Wiknic in Arvada, July 14, 2019
  • Art and Feminism Wikipedia Edit-A-Thon in Denver, March 10, 2019
  • Inclusipedia - Boulder, July 19, 2018
  • Eighth Annual Colorado Wiknic in Arvada, July 15, 2018
  • Seventh Annual Colorado Wiknic in Arvada, June 25, 2017
  • Women of Wikipedia in Boulder, June 1, 2017
  • Outdoor Women of Wikipedia in Boulder, March 26, 2017
  • Wikipedia Sweet Sixteen Anniversary in Boulder, January 15, 2017
  • Sixth Annual Colorado Wiknic in Arvada, August 7, 2016
  • Art+Feminism 2016 in Boulder, March 5, 2016
  • Wikipedia's 15th Anniversary in Boulder, January 19, 2016
  • Fifth Annual Colorado Wiknic in Arvada, July 5, 2015
  • Art and Feminism 2015 - Denver, April 11, 2015
  • Wikipedia Editathon @ CSU Library: Water in Fort Collins, October 21, 2014
  • Fourth Annual Colorado Wiknic in Arvada, July 6, 2014
  • Wikipedia At The CU Museum - Boulder, December 14, 2013
  • Third Annual Colorado Wiknic in Arvada, June 22, 2013
  • Boulder meetup in Boulder, December 22, 2012
  • Denver meetup in Denver, December 2, 2012
  • Wikipedia Loves Colorado Libraries 2012 in Boulder, November 1, 2012
  • Wikimedia Takes Boulder County 2012 in Boulder, September 15, 2012
  • Second Annual Colorado Wiknic in Boulder, June 30, 2012.
  • Wikipedia Loves Colorado Libraries 2011 in Boulder, October 27, 2011.
  • The Great Colorado Wiknic 2011 in Arvada, June 25, 2011.
  • Wikipedia 10th Anniversary Celebration in Boulder, January 15, 2011

Colorado Facts

Class 2. John Hickenlooper (D) (2021–)
Class 3. Michael Bennet (D) (2009–)
1. Diana DeGette (D) (1997–)
2. Joe Neguse (D) (2019–)
3. Lauren Boebert (R) (2021–)
4. Ken Buck (R) (2015–)
5. Doug Lamborn (R) (2007–)
6. Jason Crow (D) (2019–)
7. Brittany Pettersen (D) (2023-)
8. Yadira Caraveo (D) (2023–)

State Symbols

State flag: Flag of the State of Colorado                State seal: Great Seal of the State of Colorado
State motto: NIL SINE NUMINE (Latin: Nothing without providence)
State nickname: The Centennial State
State slogan: Colorful Colorado
State amphibian: Western Tiger Salamander
(Ambystoma mavortium)
State bird: Lark Bunting
(Calamospiza melanocoryus Stejneger)
State cactus: Claret Cup Cactus
(Echinocereus triglochidiatus)
State fish: Greenback Cutthroat Trout
(Oncorhynchus clarki somias)
State flower: Rocky Mountain Columbine
(Aquilegia caerulea)
State grass: Blue Grama
(Bouteloua gracilis)
State insect: Colorado Hairstreak Butterfly
(Hypaurotis cysaluswas)
State mammal: Rocky Mountain Bighorn Sheep
(Ovis canadensis)
State pets: Colorado shelter pets
(Canis lupus familiaris & Felis catus)
State reptile: Western Painted Turtle
(Chrysemys picta bellii)
State tree: Colorado Blue Spruce
(Picea pungens)
State fossil: Stegosaurus
(Stegosaurus armatus)
State gemstone: Aquamarine
State mineral: Rhodochrosite
State rock: Yule Marble
State soil: Seitz soil
State folk dance: Square Dance
State ship: USS Colorado (SSN-788)
State songs: Where the Columbines Grow & Rocky Mountain High
State sport: Pack Burro Racing
State highway route marker:
Route marker for Colorado State Highway 5
State tartan:
Colorado State Tartan
Commemorative U.S. coin:
Commemorative U.S. stamp:
Colorado Statehood stamp

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Featured article -


The Colorado River at Horseshoe Bend, Arizona, a few miles below Glen Canyon Dam.

The Colorado River (Spanish: Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The 1,450-mile-long (2,330 km) river, the 5th longest in the United States, drains an expansive, arid watershed that encompasses parts of seven U.S. states and two Mexican states. The name Colorado derives from the Spanish language for "colored reddish" due to its heavy silt load. Starting in the central Rocky Mountains of Colorado, it flows generally southwest across the Colorado Plateau and through the Grand Canyon before reaching Lake Mead on the ArizonaNevada border, where it turns south toward the international border. After entering Mexico, the Colorado approaches the mostly dry Colorado River Delta at the tip of the Gulf of California between Baja California and Sonora.

Known for its dramatic canyons, whitewater rapids, and eleven U.S. National Parks, the Colorado River and its tributaries are a vital source of water for 40 million people. An extensive system of dams, reservoirs, and aqueducts divert almost its entire flow for agricultural irrigation and urban water supply. Its large flow and steep gradient are used to generate hydroelectricity, meeting peaking power demands in much of the Intermountain West. Intensive water consumption has dried up the lower 100 miles (160 km) of the river, which has rarely reached the sea since the 1960s. (Full article...)

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Selected biography -

William Jackson Palmer
William Jackson Palmer
William Jackson Palmer (September 18, 1836 – March 13, 1909) was an American civil engineer and veteran of the American Civil War. During the Civil War, he was promoted to brevet brigadier general and received a Medal of Honor for his actions.

In his early career, Palmer helped develop the expanding railroads of the United States in Pennsylvania; this was interrupted by the American Civil War. He served in colorful fashion as a Union Army cavalry Colonel and was appointed to the brevet grade of Brigadier General. After the war, he contributed financially to educational efforts for the freed former slaves of the South.

Heading west in 1867, Palmer helped build the Kansas Pacific Railway. He befriended a young English doctor, Dr. William Abraham Bell, who became his partner in most of his business ventures. Generally Palmer took the role of president with Bell as vice president. The two men are best known as co-founders of the Denver and Rio Grande Railroad (Rio Grande). The Rio Grande and its successors eventually operated the largest network of narrow gauge railroad in the United States. They were ultimately absorbed by the 21st century Union Pacific Railroad. (Full article...)

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1880
Sidney Howe Short (October 8, 1857 – October 21, 1902) was an electrical engineer, inventor, physicist, professor and businessman. He is known for the development of electric motors and electric railway equipment. His inventions were so successful that even his competitors dubbed him "The Trolley King". He also developed telephone equipment much like that of Alexander Graham Bell. As a businessman he was president, key engineer, or advisor of different companies related to electrical equipment. It is claimed that he had nearly as many electrical innovations as Thomas Edison. (Full article...)
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National Parks in Colorado

The 23 national parks in Colorado:

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Colorado United States U.S. counties
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