Oregon, a state in the Pacific Northwest, shares borders with Washington (along the Columbia River), Idaho (along the Snake River), California and Nevada (along the 42° north parallel), and the Pacific Ocean. The state offers scenic natural wonders and is geographically diverse with varying landscapes and elevations.
Portland's population began to boom significantly in 1900.
Since 1902, Oregon voters have decided on numerous ballot measures, demonstrating the state's history of direct democracy.
In 1902, Oregon became the first state to adopt the initiative and referendum system, allowing citizens to directly introduce or approve laws and constitutional amendments.
In 1902, Oregon implemented the Oregon System, allowing citizens to directly participate in legislation through initiatives and referendums.
In 1904, Joaquin Miller made a suggestion regarding Oregon in Sunset magazine.
Oregon adopted the primary election system in 1904 to allow voters to select party candidates.
The Oregon Constitution was amended in 1908 to include the power to recall public officials.
Following the 1910 census, Oregon's representation in the US House of Representatives increased.
Jack London wrote his novel "Valley of the Moon" in 1913 while staying at the Wolf Creek Inn State Heritage Site in Oregon.
Gray wolves were eliminated from Oregon around 1930 but have since returned.
Portland's population boom ended in 1930, having tripled the city's size.
Oregon's lowest recorded temperature of -54 °F (-48 °C) was recorded in Seneca on February 10, 1933.
Construction of the Bonneville Dam on the Columbia River commenced in 1933, marking the start of significant industrial expansion in Oregon.
The construction of the Bonneville Dam was completed in 1937.
Following the 1940 census, Oregon's representation in the US House of Representatives increased.
In 1944, George R. Stewart suggested in American Speech that the name "Oregon" originated from a misspelling of "Ouisiconsink" (Wisconsin) on an early 18th-century French map.
On May 5, 1945, six civilians were killed near Bly, Oregon, by a Japanese balloon bomb, marking the only fatalities on U.S. soil attributed to such an attack during World War II.
Self-service gasoline was banned in Oregon in 1951.
In 1970, non-Hispanic Whites comprised 95.8% of Oregon's population.
The Oregon Beverage Container Act, later known as the Bottle Bill, was passed in 1971.
In 1972, Oregon enacted the Bottle Bill, the first law of its kind in the US, to address litter through a container deposit system.
The 1973 oil crisis significantly impacted the Pacific Northwest, leading to a substantial shortage in Oregon.
Intel Corporation has been a major employer in Oregon since 1974, with a significant presence in Hillsboro.
In 1979, Oregon enacted the "kicker law," requiring excess income tax collections beyond a 2% buffer over estimates to be returned to taxpayers.
Following the 1980 census, Oregon's representation in the US House of Representatives increased to five members.
The eruption of Mount St. Helens in Washington in 1980 was visible and had some impact on northern Oregon.
Oregon began experimenting with postal voting in 1981, marking an early step towards its all-mail election system.
Oregon voters consistently elected Democratic governors in every election since 1986.
Starting in 1988, Oregon voters began consistently supporting Democratic presidential candidates, a trend that has continued for several decades.
Between 1989 and 2011, the amount of timber harvested from federal lands in Oregon decreased significantly, approximately by 90%.
The passage of Measure 5 in 1990, limiting property taxes, created challenges for higher education funding in Oregon, leading to budget cuts and a low national ranking in state spending per student.
In 1993, Oregon voters decisively rejected a proposed sales tax, marking the ninth time such a measure was defeated.
Oregon became the first U.S. state to legalize physician-assisted suicide with the Oregon Death with Dignity Act in 1994.
In 1994, Oregon implemented the Oregon Health Plan, which aimed to provide health care access to most citizens lacking private insurance.
Oregon became one of the first states to mandate all-mail elections in 1998.
In 2000, George W. Bush continued his strong performance in Eastern Oregon, winning every county in that region.
In 2000, Oregon voters approved Ballot Measure 86, enshrining the "kicker law" in the state constitution and modifying some of its provisions.
In 2000, Oregon's population was recorded as 3,421,399, serving as a baseline for future population projections.
The dot-com bust of 2001 had a substantial negative effect on Oregon's Silicon Forest, leading to job losses and business closures.
In January 2002, Weyerhaeuser acquired Portland-based Willamette Industries, impacting the timber industry in Oregon.
In 2002, Joey Harrington, after being drafted by the Detroit Lions, promoted the correct pronunciation of Oregon as "or-uh-gun" by distributing stickers.
In 2002, Oregon voters approved a ballot measure to link annual increases in the state's minimum wage to changes in the consumer price index (CPI).
In 2003, Oregon ranked 28th in the U.S. by GDP and 31st by PCPI.
In 2004, George W. Bush won every county east of the Cascades, demonstrating the Republican leanings of Eastern Oregon. Democrats won control of the State Senate.
In the 2004 general election, Oregon voters passed ballot measures banning same-sex marriage and implementing restrictions on land use regulations.
Measure 37, passed in 2004, represented a reaction against Oregon's strict land-use laws.
Open Source Development Labs made headlines in 2004 by hiring Linus Torvalds, the creator of the Linux kernel.
In 2005, the Bush administration unsuccessfully challenged Oregon's Death with Dignity Act in the U.S. Supreme Court.
In 2005, Oregon relied heavily on property and income taxes for revenue due to its low minimum corporate tax. The state had the fifth-highest personal income tax rate in the US, yet ranked 41st in taxes paid per capita, with an average of $1,791.45.
In 2005, Oregon held the third position among U.S. states in terms of the number of wineries, with a total of 303.
Democrats achieved full control of the Oregon State Legislature in 2006, winning both the Senate and the House.
In 2006, Oregon voters approved ballot measures restricting the use of eminent domain and expanding the state's discounted prescription drug program.
The Oregon State Beavers won their first of back-to-back College World Series baseball championships in 2006.
In 2007, the Oregon Legislature approved funding for the university system exceeding the governor's request, while still limiting tuition increases to 3% annually.
In 2007, the Oregon State Beavers won their second consecutive College World Series baseball championship, while the University of Oregon Ducks secured the first of back-to-back NCAA men's cross country titles.
Measure 49, approved in 2007, scaled back some of the provisions of Measure 37, which had relaxed land-use regulations.
The University of Oregon Ducks men's cross country team won their second consecutive NCAA championship in 2008.
The 2008 American Religious Identification Survey indicated that Oregon tied with Nevada for fifth place among U.S. states with the highest percentage of "non-religious" residents, at 24%.
In 2008, Oregon was identified as the most politically polarized state, with both the most liberal and conservative voters. Republican Senator Gordon H. Smith lost his re-election bid despite carrying most counties, highlighting the influence of urban centers like Multnomah County.
A 2009 Gallup poll showed that 69% of Oregonians identified as Christian. Details about specific denominations and other religious groups were also part of the poll.
As of 2009, Oregon had 361,393 foreign-born residents.
In 2009, a Gallup poll identified Oregon, along with Vermont, as one of the two "least religious" states in the United States.
Since 2009, Oregon has been represented by two Democratic U.S. Senators, Ron Wyden and Jeff Merkley.
The 2010 census served as a baseline for measuring population change in the 2020 census.
Providence Park, home to the Portland Timbers, underwent renovations in fall 2010, becoming a soccer-specific stadium.
Oregon was the second most popular moving destination in 2010.
In 2010, Genentech opened a major facility in Hillsboro, and Facebook built a datacenter near Prineville, Oregon.
Oregon Initiative 71, passed in 2010, mandated the state legislature to meet annually: 160 days in odd-numbered years and 35 days in even-numbered years.
Data from 2010 revealed the largest Christian denominations in Oregon by number of adherents, including the Roman Catholic Church, The Church of Jesus Christ of Latter-day Saints, and the Assemblies of God.
Based on the 2010 US Census data, Oregon's high school graduation rate was approximately 90.5%, exceeding the national average of 88.3%.
Amazon established a datacenter near Boardman, Oregon in 2011.
By 2011, the period of decline in timber harvested from federal lands in Oregon, which began in 1989, had concluded.
Despite a decline, Oregon maintained its leading position in U.S. softwood lumber production in 2011, producing 4,134 million board feet.
In 2011, 38.7% of children under one year old in Oregon belonged to minority groups.
Until 2011, the Portland Trail Blazers were the only major professional sports team in Oregon.
Incumbent President Barack Obama won Oregon by a significant margin in the 2012 election, receiving over 54% of the popular vote.
Oregon was the second most popular moving destination in 2012.
Oregon's GDP saw a 2.7% increase from 2012 to 2013, while its PCPI increased by 1.5% during the same period.
The Portland Thorns FC, a women's soccer team, began playing in the National Women's Soccer League in 2013, winning the league championship in their first season.
Oregon was the top moving destination in 2013.
During the 2013-2014 school year, Oregon's public schools had 567,000 students across 197 districts, served by 19 education service districts.
In 2013, Oregon's Gross Domestic Product (GDP) was $219.6 billion, and its per capita personal income (PCPI) was $39,848.
As of 2013, the Wallowa Valley moose herd in Oregon numbered around 60.
As of 2013, Oregon had a total of 595 wineries.
On November 4, 2014, Oregon legalized recreational marijuana, becoming the second state to legalize gay marriage, physician-assisted suicide, and recreational marijuana.
During the 2013-2014 school year, Oregon's public schools had 567,000 students across 197 districts, served by 19 education service districts.
In 2014, 71 new wineries opened in Oregon, bringing the total to 676, a 12% increase from 2013.
In 2014, Oregon State University had the largest fall enrollment among Oregon's public universities, while Portland State University had the second largest. UO was the most selective and highest nationally ranked.
Oregon was the nation's top moving destination in 2014.
As of 2015, Oregon's median household income was $60,834, ranking 17th highest in the U.S.
Following Governor John Kitzhaber's resignation in 2015 amid allegations, Secretary of State Kate Brown became governor.
In 2015, Reed College, a liberal arts college in Portland, was ranked 52nd best college in the country by Forbes.
In 2015, seven Oregon-based companies were listed in the Fortune 1000.
In September 2016, Oregon's unemployment rate was 5.5%, compared to the national rate of 5.0%. Oregon also had the third highest food stamp usage in the nation, with 21% of the population utilizing the program.
Hillary Clinton carried Oregon in the 2016 presidential election, winning by 11 percentage points.
In 2016, the Willamette Valley in Oregon produced over 100 million pounds of blueberries.
In 2016, the largest school districts in Oregon were Portland Public Schools, Salem-Keizer School District, Beaverton School District, Hillsboro School District, and North Clackamas School District.
Kate Brown secured her position as governor by winning a special election in 2016.
Data from the 2016 American Community Survey provided further breakdown within the Hispanic or Latino population in Oregon.
Oregon's state budget for 2017, a biennial budget, totaled $2.6 billion.
The Portland Thorns FC won their second NWSL championship in 2017.
The Oregon State Beavers claimed their third College World Series baseball championship in 2018.
Kate Brown was elected to a full four-year term as Oregon's governor in 2018.
In 2018, Mexico, Vietnam, China, India, and the Philippines were the top countries of origin for Oregon immigrants.
In 2018, Oregon introduced a $15 excise tax on new bicycles priced over $200, becoming the only US state with such a tax.
As of 2018, Cambia Health Solutions held the largest market share in Oregon's health insurance market at 21%, followed by Providence Health. Kaiser Permanente led in the Portland region.
Amazon opened a fulfillment center in Troutdale, Oregon in 2018.
On May 8, 2019, educators across Oregon protested for smaller class sizes, increased support staff, and the reinstatement of arts, music, and physical education programs. The protests led to the closure of around 600 schools in two dozen districts.
The percentage of non-Hispanic Whites in Oregon's population decreased to 71.7% in 2020.
The 2020 census provided demographic data on Oregon, including gender, age, and race.
The 2020 census detailed the racial and ethnic composition of Oregon's population.
The 2020 U.S. census recorded Oregon's population as 4,237,256, a 10.60% increase from 2010.
In 2020, Oregon became the first US state to legalize psilocybin for medicinal purposes.
In 2020, Oregon became the first US state to decriminalize possession of small amounts of certain street drugs like cocaine and heroin.
Following the 2020 census, Oregon gained a sixth seat in the US House of Representatives.
Following the 2020 U.S. census, Oregon's Electoral College votes increased from seven to eight due to the addition of a congressional seat.
A 2020 study recognized Oregon as the easiest state for citizens to vote in.
Oregon's highest recorded temperature of 119 °F (48 °C) was tied at Pelton Dam on June 29, 2021.
The 2021 Minor League Baseball reorganization affected teams in Oregon, with the Salem-Keizer Volcanoes not being included in the restructured league.
On June 30, 2022, the first emerald ash borer infestation in Western North America was identified in Forest Grove, Oregon.
Tina Kotek, a Democrat, won the 2022 Oregon gubernatorial election, defeating Republican Christine Drazan and Independent Betsy Johnson.
The U.S. Department of Housing and Urban Development estimated 17,959 homeless people in Oregon in 2022.
Oregon's sixth congressional seat, gained after the 2020 census, was filled during the 2022 Congressional Elections.
Data on religious self-identification in Oregon was published in the PRRI American Values Atlas in 2022.
The ban on self-service gasoline in Oregon was lifted in August 2023, although not all gas stations are required to offer it.
As of 2023, Oregon's representation in the U.S. House of Representatives consisted of four Democrats and two Republicans.
In 2024, Governor Kotek signed a bill partially reversing the 2020 decriminalization of certain street drugs, while also increasing funding for drug treatment.
Oregon will have eight electoral votes in the 2024 presidential election.
The U.S. Census Bureau projected Oregon's population to reach 4,833,918 by 2030, a substantial increase from the 2000 population.
The state's projections estimated Oregon's population to reach 5,425,408 by 2040.