1549 ― Jews expelled from Ghent, Belgium
1775 ― First military hospital approved
1841 ― British humor magazine "Punch" first published
1850 ― Harvard Observatory takes first photograph of a star (Vega)
1861 ― Congress authorizes paper money
1862 ― U.S. army authorized to accept blacks as laborers
1863 ― Battle of Honey Springs, largest battle of war in Indian Territory
1867 ― First permanent university dental school in U.S. founded at Harvard
1879 ― First railroad opens in Hawaii
1897 ― First ship arrives in Seattle carrying gold from Yukon
1935 ― Variety's famous headline "Sticks Nix Hick Pix"
1948 ― Proclamation of the constitution of the Republic of (South) Korea
1955 ― Arco, Idaho becomes first U.S. city lit by nuclear power
1988 ― Highest temperature ever recorded in San Francisco, 103 degrees Fahrenheit (39 degrees Celsius)