Proposition 8. April 2008 : Nearly 1.1 million signatures delivered to CA Secretary of State May 15, 2008 : CA Supreme Court issues In Re Marriage Cases decision June 2, 2008 : Proposition 8 certified for November 4, 2008 ballot June 15, 2008 : same-sex couples start marrying in California.
1. The year in which the amendment was voted upon;
2. The percentage of adults in 2008 Gallup tracking surveys who said that religion was an important part of their daily lives;
3. The percentage of white evangelicals in the state.