What is significant about September 15th? Why does Hispanic Heritage month start on the 15th instead of the 1st?

September 15 was chosen as the starting point for the commemoration because it is the anniversary of independence of five Hispanic countries: Costa Rica, El Salvador, Guatemala, Honduras and Nicaragua, who all declared independence in 1821.

a venn diagram (also known as a set diagram or logic diagram) is a diagram that shows all possible logical relations between a finite collection of different sets. they are thus a special case of euler diagrams, which do not necessarily show all relations. venn diagrams were conceived around 1880 by john venn.create a venn diagram showing all of the similarities and differences you can think of. do your best to put your comparison in spanish, and use everything you know about adjectives and comparison phrases in spanish.