30 oct 1947 año - The General 
Agreement
on Tariffs and 
Trade (GATT)
Descripción:
 "The General Agreement on Tariffs and Trade (GATT) is a legal agreement between many countries, whose overall purpose was to promote international trade by reducing or eliminating trade barriers such as tariffs or quotas."
On January 1, 1995, the World Trade Organization (WTO) became the successor of GATT.
Source:
https://en.wikipedia.org/wiki/General_Agreement_on_Tariffs_and_Trade 
Añadido al timeline:
fecha:
30 oct 1947 año
Ahora mismo
 ~ 78 years ago