1876
Transport
Railroad connects valley to LA
1910
Industry
Oil boom in the valley
1920
Culture
Movie ranches built for Western films
1928
Disaster
St. Francis Dam collapse kills 400+
1967
Architecture
Valencia planned; CalArts and Six Flags come
1971
Disaster
Sylmar earthquake causes damage
1987
Government
Four communities incorporate as Santa Clarita
1994
Disaster
Northridge earthquake damages area
2000
Government
Named among safest cities in California
2019
Crime
Saugus High School shooting
2024
Government
Population surpasses 227,000