Complex sentence: The Bank of the West began in 1874 as Farmers National Gold Bank and after 1879, when all national banknotes became redeemable in gold or silver, it changed its name to First National Bank of San Jose.
Split into simpler sentences: The Bank of the West began as Farmers National Gold Bank. All national banknotes become redeemable in gold or silver and the bank changed its name to First National Bank of San Jose.