A friend sent me this and I thought it was interesting.
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"Expiration Dates"
 
  Beer
  Unopened: 4 months.

Brown sugar
Indefinite shelf life, stored in a moistureproof container in a  cool, dry place.

  Chocolate (Hershey bar)
  1 year from production date

  Coffee, canned ground
  Unopened: 2 years
  Opened: 1 month refrigerated

Coffee, gourmet
Beans: 3 weeks in paper bag, longer in vacuum-seal bag (After this time, color
Or flavor may be affected, but product is still generally safe to consume.)
Ground: 1 week in sealed container

  Coffee, instant
  Unopened: Up to 2 years
  Opened: Up to 1 month

  Diet soda (and soft drinks in plastic bottles)
  Unopened: 3 months from "best by" date.
  Opened: Doesn't spoil, but taste is affected.

  Dried pasta
  12 months

  Frozen dinners
  Unopened: 12 to 18 months

  Frozen vegetables
  Unopened: 18 to 24 months
  Opened: 1 month

  Honey (for those who do)
  Indefinite shelf life

  Juice, bottled (apple or cranberry)
  Unopened: 8 months from production date
  Opened: 7 to 10 days

Ketchup
Unopened: 1 year (After this time, color or flavor may be affected, but product is
Still generally safe to consume.)
Opened or used: 4 to 6 months (After this time, color or flavor may be affected,
But product is still generally safe to consume.)

  Maple syrup, real or imitation
  1 year

  Maraschino cherries
  Unopened: 3 to 4 years
  Opened: 2 weeks at room temperature; 6 months refrigerated

Mayonnaise (vegan or other)
Unopened: Indefinitely
Opened: 2 to 3 months from "purchase by" date (After this time, color or flavor
May be affected, but product is still generally safe to consume.)

Mustard
2 years (After this time, color or flavor may be affected, but product is still
Generally safe to consume.)

  Olives, jarred (green with pimento)
  Unopened: 3 years
  Opened: 3 months

Olive oil
2 years from manufacture date (After this time, color or flavor may be affected,
But product is still generally safe to consume.)

  Peanuts
  Unopened: 1 to 2 years unless frozen or refrigerated
  Opened: 1 to 2 weeks in airtight container

  Peanut butter, natural
  9 months

  Peanut butter, processed (Jif)
  Unopened: 2 years
  Opened: 6 months; refrigerate after 3 months

Pickles
Unopened: 18 months
Opened: No conclusive data. Discard if slippery or excessively soft.

Rice, white
  2 years from date on box or date of purchase

  Salad dressing, bottled
  Unopened: 12 months after "best by" date
  Opened: 9 months refrigerated

Steak sauce
33 months (After this time, color or flavor may be affected, but product is Still generally safe to consume.)

  Tabasco
  5 years, stored in a cool, dry place

  Tea bags (Lipton)
  Use within 2 years of opening the package

Tuna, canned
Unopened: 1 year from purchase date
Opened: 3 to 4 days, not stored in can

Soy sauce, bottled
Unopened: 2 years
Opened: 3 months (After this time, color or flavor may be affected, but product is still generally safe to consume.)

Vinegar
42 months

Wine (red, white)
Unopened: 3 years from vintage date; 20 to 100 years for fine wines
Opened: 1 week refrigerated and corked

Worcestershire sauce
Unopened: 5 to 10 years (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Opened: 2 years

  Household Products

  Air freshener, aerosol
  2 years

  Antifreeze, premixed
  1 to 5 years

  Antifreeze, concentrate
  Indefinite

  Batteries, alkaline
  7 years

  Batteries, lithium
  10 years

  Bleach
  3 to 6 months

  Dish detergent, liquid or powdered
  1 year

  Fire extinguisher, rechargeable
  Service or replace every 6 years

  Fire extinguisher, nonrechargeable
  12 years

  Laundry detergent, liquid or powdered
  Unopened: 9 months to 1 year
  Opened: 6 months

  Metal polish (silver, copper, brass)
  At least 3 years

 
  Motor oil
  Unopened: 2 to 5 years
  Opened: 3 months

  Mr. Clean
  2 years

  Paint
  Unopened: Up to 10 years
  Opened: 2 to 5 years

  Spray paint
  2 to 3 years

  Windex
  2 years

  Wood polish (Pledge)
  2 years

Beauty Products
All dates are from the manufacture date, which is either displayed on the packaging or can be obtained by calling the manufacturer's customer-service number.

  Bar soap
  18 months to 3 years

  Bath gel, body wash
  3 years

  Bath oil
  1 year

  Body bleaches and depilatories
  Unopened: 2 years
  Used: 6 months

  Body lotion
  3 years

  Conditioner
  2 to 3 years

  Deodorant
  Unopened: 2 years
  Used: 1 to 2 years
  For antiperspirants, see expiration date

  Eye cream
  Unopened: 3 years
  Used: 1 year

  Face lotion
  With SPF, see expiration date. All others, at least 3 years

  Foundation, oil-based
  2 years

  Foundation, water-based
  3 years

  Hair gel
  2 to 3 years

  Hair spray
  2 to 3 years

  Lip balm
  Unopened: 5 years
  Used: 1 to 5 years

  Lipstick
  2 years

  Mascara
  Unopened: 2 years
  Used: 3 to 4 months

  Mouthwash
  Three years from manufacture date

  Nail polish
  1 year

  Nail-polish remover
  Lasts indefinitely

  Perfume
  1 to 2 years. Natural product perfumes can spoil if exposed to prolonged high temperatures (like our summers here in Spain!)

  Rubbing alcohol
  At least 3 years

  Shampoo
  2 to 3 years

  Shaving cream
  2 years or more

  Tooth-whitening strips
  13 months

  Wash'n Dri moist wipes
  Unopened: 2 years
  Opened: Good until dried out