July can start on any day
July starts on the 1st day of the month.
If you mean what day of the week did July begin, the 1st of July 2013 was a Monday.
23rd of July
20th of July 1934
july 28 is the day celebrated
July starts on a different day of the week every year. In 2012, it started on a Sunday.
27th july 2012
July 4, 1776
June 21st
July 27, 2012
July 1, 1867.
July 27 2012 is the official start
SUnday 30th july 2012