| November 13th, 1990The World Wide Web first began. event on November 13, 1990.  Read about how to open files in Open File Database.
 Events around November 13, 1990
| November 14th, 1990 | Event | After German reunification, the Federal Republic of Germany and the Republic of Poland sign a treaty confirming the Oder-Neisse line as the border between Germany and Poland. |  |