events on cali By justiceafw1 Nov 22, 1535 california was explored by the spanish Nov 22, 1542 The Portuguese explorer, Juan Rodriguez Cabrillo, explores California Nov 22, 1545 The Europeans bring typhus to California and the epidemic kills hundreds of thousands of natives Jul 4, 1776 United States Declaration of Independence 1815 Nov 22, 1796 first 21 missions were established Nov 22, 1812 Russian fur traders establish Fort Ross Nov 22, 1846 The United States invades Mexico from the east starting the Mexican-American War won by the US on July 9, 1846 Nov 22, 1848 James Marshall discovered gold at Sutter's sawmill in Coloma which starts the Gold Rush Nov 22, 1865 The Abolishment of Slavery. The Thirteenth Amendment to the U.S Constitution is ratified, thus officially abolishing slavery Nov 22, 1963 JFK got assassinated