is there mail delivery Saturday nov. 29, 2014
Yes USPS has Saturday delivery.
1863 see http://www.usps.com/postalhistory/_pdf/DeliveryMondaythroughSaturday.pdf#search='saturday mail delivery'
1969
"last" is an adjective, and Saturday is a proper noun (always capitalized).
yes
It is the delivery day in a week you wish to receive the order, for instance if you ordering on Monday and wish to receive on coming Saturday you should name Saturday when prompted by the service provider.
UPS typically delivers packages on Monday through Friday. Some locations may offer Saturday delivery for an additional fee.
no- not in the United States since it's Independence Day .
Feruary 1, 1969
Yes.
Yes, July 2 is Saturday so there will be the usual mail delivery. There will be no regular delivery in July 3 (Sunday) and July 4 (holiday)