The forty-niners were people who went to California seeking gold found in 1849 on Johann Sutter's farm.
The four groups were Americans, Chinese, Native Americans, and Mexicans
According to historians, the four groups of people who became forty-niners were the Chinese, Americans, Native Americans and Mexicans due to the gold rush in the West.
gold
The forty niners were called the forty niners because the gold rush was in 1849.
The '49ers were named so due to the Gold Rush having began in 1849.
7 squared is 7 times 7- or 49. That would be the San Francisco 49ers.
3 - the San Francisco 49ers, Oakland Raiders, and the San Diego Chargers. There's a good possibility that the Raiders will once again relocate to L.A. again; the City of Oakland is unwilling to foot the bill for a new stadium, and playing in the ancient Oakland-Alameda Coliseum is both costly in terms of lost revenue, and insulting given the 49ers new facility across the Bay, which is a state-of-the-art marvel.