1918: The 7.1 Mw San Fermín earthquake shakes Puerto Rico with a maximum Mercalli intensity of IX (Violent), killing 76-116 people. A destructive tsunami contributed to the damage and loss of life.
1906: San Francisco public school board sparks a diplomatic crisis between the United States and Japan by ordering Japanese students to be taught in racially segregated schools.
1811: Inventor John Stevens' boat, the Juliana, begins operation as the first steam-powered ferry (service between New York City, New York, and Hoboken, New Jersey).
1142: A peace treaty between the Jin dynasty and Southern Song dynasty is formally ratified when a Jin envoy visits the Song court during the Jin-Song wars.