Template:GaelicGamesdecade

in the .

Usage:   where
 * centuryyear is the two-digit century, like 18 for 1800 to 1899, 19 for 1900-1999, 20 for 2000-2099 etc.
 * decadedigit is the single digit decade, e.g. 5 for the years 50-59 in the above century year.
 * 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.

So if one were to code   it would generate a text of Gaelic Games in the 1730s plus a reference box referring to  category:18th century in Gaelic Games and would generate links for 1700s Gaelic Games, 1710s etc. through 1790s Gaelic Games along with a category for 1730s Gaelic Games.