Bogleheads:Anniversaries/January 22

January 22:
 * 1997 - Standard & Poor's Depositary Receipts (SPDR S&P 500 Trust ETF) were launched by State Street Global Advisors (SSgA) as the first exchange-traded fund in the United States (preceded by the short-lived Index Participation Shares that launched in 1989). The ETF was designed and developed by a team led by Nathan Most.