Final answer:
The discovery of gold brought thousands of people to California in 1848-1849 during the California Gold Rush.
Step-by-step explanation:
The discovery of gold brought thousands of people to California in 1848-1849. When gold was discovered at Sutter's Mill in Coloma, California in January 1848, the news spread rapidly. The promise of instant wealth attracted people from all over the world, including Oregon, Utah, China, Europe, and even Hawaii. This massive influx of prospectors seeking quick riches came to be known as the California Gold Rush.