Final answer:
The California Gold Rush occurred in 1849 and attracted thousands of Americans and Chinese immigrants to California in search of gold.
Step-by-step explanation:
The subject of the question is History because it is asking about a specific event in the past.
The California Gold Rush occurred in 1849. It was a significant event that attracted thousands of Americans and Chinese immigrants to California in search of gold.
During this time, individuals would travel from all over the United States and even from China to California, hoping to strike it rich by mining for gold.
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