Timeline of San Diego
First European contact with the area; Juan Rodriguez Cabrillo enters San Diego Bay.
Second European contact; Sebastian Vizcaino maps and names San Diego Bay.
Presidio of San Diego and Mission San Diego de Alcala are established.
Mexico gains its independence from Spain; San Diego becomes part of the Mexican province of Alta California.
San Diego becomes the unofficial capital of Alta California.
Juan Maria Osuna is elected the first alcalde (mayor) of San Diego.
Alta California is disestablished and merged with Las Californias.
Mexican American War.
Treaty of Cahuenga ceasefire is signed on January 13, 1847.
Siete Leyes repealed, reestablishing the Alta California and Baja California territories.
Treaty of Guadalupe Hidalgo (proclaimed July 4, 1848) transfers San Diego and all of Alta', California to the United States as part of the Mexican Cession Territory.
California is admitted to the United States; San Diego becomes the seat of San Diego County; San Diego is granted a city charter by the California legislature.
Herald newspaper begins publication.
The Movement for State Division of California convenes In San Diego to discuss the secession of Southern California from the rest of California as the proposed state of Colorado.
U.S. Army sets aside southern part of Point Lorna for military use. It is later developed into Fort Rosecrans.
Point Lorna Lighthouse is built.
San Diego County votes to secede from California to form the Territory of Colorado, voting 207-24 in favor of secession.
City reserves 1,400 acres of land as a City Park, now Balboa Park San Diego Union newspaper begins publication.
The San Diego Chamber of Commerce established.
City and county records are moved from Old Town to New Town, establishing New Town as the city's hub.
San Diego is incorporated.
Population: 2,637; county 8,018.
The Sun newspaper begins publication.
The San Diego Free Public Library is established.
The YMCA established.
John J. Montgomery makes successful flights with manned gliders at Otay Mesa, the first controlled flights in a heavier than air flying machine in America.
Santa Fe Railway begins operating.
Horse-drawn streetcar line is established downtown.
San Diego Daily Bee newspaper begins publication.
National City & Otay Rail Road begins operating.
Electric streetcar line is established between Downtown and Old Town.
Sweetwater Dam is completed.
City rechartered; mayor-council form of government adopted.
San Diego Electric Railway begins operating.
Evening Tribune newspaper begins publication.
San Diego State Normal School (now San Diego State University) is established.
Marine Biological Association of San Diego founded; now Scripps Institution of Oceanography.
Navy Coaling Station established on Point Lorna; first navy establishment in the city.
William Smythe founds San Ysidro, later (1957) it is annexed to San Diego.
City Park renamed Balboa Park.
U.S. Grant Hotel built.
Population: 39,578; county 61,665.
Cabrillo National Monument is established.
May: San Diego stadium opens; now Balboa Stadium.
San Diego Zoo established.
Army Camp Kearny is established.
San Diego and Arizona Railway is completed.
Population: 74,683; county 112,248.
U.S. Marine Corps training base is commissioned.
U.S. Navy Destroyer Bl'Ise, San Diego is established; now Naval Base San Diego.
Naval Training Center San Diego is established.
San Diego annexes East San Diego.
The first United States aircraft carrier, USS Langley begins operating out of North Island.
U.S. Naval hospital is built.
Star of India is towed into San Diego harbor; later renovated and opened as a museum ship.
Fine Arts Gallery opens; now the San Diego Museum of Art.
Charles Lindbergh's plane The Spirit of Sf. Louis is designed and built in San Diego by the Ryan Airline Company.
San Diego Municipal Airport is dedicated as Lindbergh Field.
Population: 147,995; county 209,659.
San Diego State College dedicated; formerly San Diego State Normal School, now San Diego State University.
New city charter adopted under a council-manager form of government.
San Diego Padres established as a minor league team within the Pacific Coast League.
Roman Catholic Diocese of San Diego is established.
U.S. Coast Guard Air Station San Diego commissioned.
San Diego Civic Center dedicated; now the San Diego County Administration Center.
Population: 203,341; county 289,348.
Consolidated Aircraft becomes San Diego's largest employer.
Residents of Japanese decent are evicted from San Diego and relocated to internment camps by order of President Franklin D. Roosevelt. They are given three days to sell
their homes and other property.
U.S,. Marine Corps. Base Camp Pendleton is established.
Consolidated Aircraft and Vuitee Aircraft merge to become Convair.
Camp Kearny recommissioned as Naval Auxiliary Air Station Camp Kearny and Marine Corps Air Depot Miramar
Navy Electronics Laboratory established, now part of Space and Naval Warfare
Systems Center Pacific.
Submarine Group San Diego established, now part of Naval Base Point Loma.
Maritime Museum of San Diego is established.
Population: 333,865; county 556,808.
San Diego College for Women opens; now the University of San Diego.
Miramar Naval Air Station established.
Journal of San Diego History begins publication.
Fort Rosecrans is transferred to the U.S. Navy.
San Diego annexes San Ysidro.
University of California, San Diego and Salk Institute for Biological Studies established.
Population: 573,224; county 1,033,011.
San Diego Chargers move to San Diego after one season in Los Angeles.
San Diego annexes Rancho Bernardo.
Navy Submarine Support Facility is established, now part of Naval Base Point Loma.
San Diego Aerospace Museum is established.
SeaWorld San Diego opens.
San Diego annexes the rest of northern San Diego.
San Diego International Sports Center opens, later known as San Diego Sports Arena, iPay One Center, and Valley View Casino Center, now Pechanga Arena.
San Diego County Comprehensive Planning Organization established, now San Diego Association of Governments (SANDAG).
San Diego Stadium opens, later known as Jack Murphy Stadium, Qualcomm Stadium, and SDCCU Stadium.
Historical Resources Board established.
San Diego Padres is established as a Major League Baseball team.
San Diego–Coronado Bridge constructed.
TOPGUN United States Navy Strike Fighter Tactics Instructor program is established at Miramar Naval Air Station.
San Diego Rockets relocate to Houston to become the Houston Rockets.
NBA Buffalo Braves relocate to San Diego to become the San Diego Clippers.
Population: 875,538; county 1,861,846.
San Diego Trolley begins operations.
San Diego Clippers relocate to Los Angeles becoming the Los Angeles Clippers.
Asian Pacific Thematic Historic District is designated by the city.
San Diego Convention Center opens.
1996 Republican National Convention held.
U.S. Navy Space and Naval Warfare Systems Command ("SPAWAR") headquarters relocated to San Diego.
Legoland California opens in nearby Carlsbad.
Petco Park opens.
USS Midway Museum opens on Embarcadero.
Voice of San Diego begins publication.
San Diego Trolley Green Line opens in Mission Valley.
San Diego reverts to a Mayor-council form of government on a five-year trial basis.
Form of government made permanent in 2010.
Population: 1,307,402; metro 3,095,313.
Little Saigon, San Diego is designated.
Carlsbad desalination plant opens December 14, north of San Diego.
San Diego Chargers relocate to Los Angeles, becoming the Los Angeles Chargers.
San Diego Seals formed, joins the National Lacrosse League.
Convoy (Pan Asian Cultural & Business Innovation) District is designated.
SDCCU Stadium demolished.
San Diego HOA Management