July 13 is:

International Sister Cities Day

Anniversary of the dedication of the Hollywood sign

Gruntled Workers Day

French Fries Day

Statehood Day in Montenegro

Obon, or Day of the Souls, in Japan

Rubik's Cube inventor Erno Rubik's birthday

Embrace Your Geekness Day

Click on the date to find what special day it is:

July
7	6	5	4	3	2	1
14	13	12	11	10	9	8
21	20	19	18	17	16	15
28	27	26	25	24	23	22
				31	30	29
Special days on different dates