Template:BDDecadesInCentury

Usage:   where
 * centuryyear is the two-digit century, like 18 for 1800 to 1899, 19 for 1900-1999, 20 for 2000-2099 etc.
 * centuryname is the equivalent name of that century, such as 19th for the period 1801-1900 (or 1800-1899 depending on your opinion as to whether year '0' is part of that century), 20th for 1900-1999 or 1901-2000, 21st for 2000-2099 or 2001-2100 etc.

–––:type is the type of item including this macro, such as works, books, movies, plays, etc. So if one were to code   it would generate a reference box referring to  category:16th century computer programs and would generate links for 1700s computer programs, 1710s etc. through 1790s computer programs.