Capital Letters: When and Why
to use them

 

Use capital letters (large letters) as the first letter of

• 
  people's first and last (family) names (Celine
  Dion, David A.
  Tillyer, Abraham
  Lincoln)
• 
  the pronoun I (English grammar is difficult,
  but I love it.)
• 
  brand names of products (Ford Taurus,
  Chicago Bulls,
  Inca Kola)
• 
  days of the week

 

• 
  months of the year

• 
  holidays (Ramadan, Christmas,
  Tet, Yom Kippur,
  Fourth of July)
• 
  first letter of the first word of a sentence (The
  cat chased the mouse.)
• 
  names of cities, states, countries and continents (Boston,
  Massachusetts; Paris
  France; Europe)
• 
  languages and adjectives from country names (the English
  language, Portuguese, the Japanese,
  Spanish, Arabic,
  Arabs)
• 
  titles and courtesy titles (President Clinton
  [but, the president], Prince Charles, Mr.,
  Mrs., Ms.)