1848  Gold Rush Begins
1
1848-1919  California Gets Connected
6
1849-1859  Gold Fuels an Economy
2
1850-1914  California Agriculture Booms
6
1853  Invention of Hydraulic Mining
2
1860-1865  American Civil War
1
1905-1914  Demonstration Trains
1
1848  End of the Mexican-American War
1
1849  49ers Rush!
3
1850  California Joins the Union
1850-1919  Modifying Land for Agriculture
3
1854  California Agricultural Society
1
1880-1919  Immigration to California
2
1914-1919  WWI in California
3