One anecdote describes Thomas Hunt Morgan banning the Friden calculator from his department at Caltech, saying " Well, I am like a guy who is prospecting for gold along the banks of the Sacramento River in 1849.

Young's party continued on into California trapping and trading from Sacramento to Los Angeles, returning to Taos in April, 1830 after trapping along the Colorado River.

* Sacramento River ( Mexico )

* Sacramento – San Joaquin River Delta ( California )

* Sacramento River ( California )

Judah was chief engineer for the newly formed Sacramento Valley Railroad in 1852, the first railroad built west of the Mississippi River.

The slope elevation decreases northward toward the American River and westward toward the Sacramento River.

All surface drainage flows toward the Sacramento River.

Groundwater in the vicinity flows south-southwest toward the Sacramento Delta ; however, after peak rainfall, because of a swollen Sacramento River, the groundwater flow can actually reverse and flow away from the river.

Therefore in 1863, the tribes from the area surrounding the middle Sacramento and Feather rivers, the Konkow group, were removed and marched forcibly to the Round Valley Indian Reservation near the Eel River.

It was not long after the city had reached a relatively large population of about 10, 000, then the Great Flood of 1862 swept away much of it ( and almost everything else along the Sacramento River ) and put the rest under water.

Repeated floods and increased demand for Sacramento River water saw a plethora of massive changes to the environment beginning in the 20th century.

Alexander of the Army Corps of Engineers had written in his surveys of the Central Valley's hydrology and irrigation systems of a great network of pumps and canals that would take water from the water-rich Sacramento River basin into drought-prone South and Central California, especially the San Joaquin Valley.

The Sacramento River is often said to receive " two-thirds to three-quarters of northern California's precipitation though it has only one-third to one-quarter of the land.

As the construction of dams, power plants and canals required immense labor, which was rare in the middle of the Depression, the government authorized Sacramento River dams and other structures as public works projects beginning in 1935.

A third major canal, the Sacramento River Deep Water Ship Channel, exists not for irrigation purposes but rather to facilitate navigation of large oceangoing ships from the Delta to the city of Sacramento.

The Aqueduct's waters, which functionally extend the Sacramento River southwards, then run on to serve the enormous populace of California's south, supplying the needs of some 22 million people.

A successful one was the Trinity River diversion, which sent over 90 percent of the flow of that river into the Sacramento through a tunnel under the Klamath Mountains.

Others failed to take root – one of the most notorious, the Klamath Diversion, proposed to send the entire flow of the Klamath River into the Sacramento Valley through a complex system of reservoirs, canals, flumes and tunnels.

Similarly, the Dos Rios Dam project would have diverted almost the entire flow of the Eel River to the Sacramento.

The Sacramento River and its drainage basin were originally abundant in multiple avian and aquatic species, but modern-day development has thinned populations of many species, especially riverine.

It is surmised that between four and five million years ago, the Sacramento and Snake-Columbia River systems were somehow connected by a series of now-dry wetlands and river channels.

* 1860 – The first Pony Express rider reaches Sacramento, California.

* 2004 – Sacramento – 10. 25. 03 ( Official Bootleg series )

* 1860 – The first successful United States Pony Express run from Saint Joseph, Missouri to Sacramento, California begins.

* 1848 – California Gold Rush: James W. Marshall finds gold at Sutter's Mill near Sacramento.

Johann August Sutter ( February 15, 1803 – June 18, 1880 ) was a Swiss pioneer of California known for his association with the California Gold Rush by the discovery of gold by James W. Marshall and the mill making team at Sutter's Mill, and for establishing Sutter's Fort in the area that would eventually become Sacramento, the state's capital.

* 1998 – A federal judge in Sacramento, California, gives " Unabomber " Theodore Kaczynski four life sentences plus 30 years after Kaczynski accepts a plea agreement sparing him from the death penalty.

* 1975 – Sacramento, California: Lynette Fromme attempts to assassinate U. S. President Gerald Ford.

One of the oldest records of the word samba appeared in Pernambuco magazine's O Carapuceiro, dated February 1838, when Father Miguel Lopes Gama of Sacramento wrote against what he called the samba d ' almocreve – not referring to the future musical genre, but a kind of merriment ( dance drama ) popular for black people of that time.

In 1669 – 71 the Portuguese built a fort at Colonia del Sacramento.

* April 24 – A Unabomber bomb kills lobbyist Gilbert Murray in Sacramento, California.

* January 28 – Richard Chase, the " Vampire of Sacramento ", is arrested.

* October 24 – Lambda Sigma Gamma Sorority Inc. was founded at Sacramento State by Linda V. Fuentes and 26 Founding Mothers.

* April 3 – The Pony Express begins its first run from Saint Joseph, Missouri to Sacramento, California.

After the river's flow was under control, two major canals serving the western side of the Sacramento Valley – the Tehama-Colusa and Corning Canals.

The Sacramento supports 40 – 60 species of fish, and 218 types of birds.

* Sacramento – San Joaquin River Delta

In 1860 – 1861 the Pony Express, employing riders traveling on horseback day and night with relay stations about every ten miles to supply fresh horses, was established from St. Joseph, Missouri, to Sacramento, California.

It is part of the Sacramento – Arden-Arcade – Roseville Metropolitan Statistical Area.

After Monterey, the state capital was variously San Jose ( 1850 – 1851 ), Vallejo ( 1852 – 1853 ) and Benicia ( 1853 – 1854 ) until Sacramento was finally selected in 1854.