Template:HeaderSeasonalSubPage/doc

This for subpage of each seasonal/event category page.

Parameters:
 * atw - Around the World
 * aus - Australia Day
 * aut - Autumn
 * blf - Black Friday
 * car - Carnival
 * chr - Christmas
 * die - Diesel Domination
 * dut - Dutch Queen's Day
 * eas - Easter
 * ele - Electric Extravaganza
 * ese - ESET
 * fbc - Facebook Celebrations
 * hal - Halloween
 * hyp - Hyperloop Hype


 * mag - Maglev Madness
 * mem - Memorial Day
 * mid - Midsummer
 * mov - Train Tales Festival
 * mus - Music
 * nye - New Year
 * okt - Oktoberfest
 * pat - Patriotic
 * pfb - PF Birthday
 * pos - Post Event
 * sea - Seaport
 * spa - Space
 * spo - Sports
 * spr - Spring
 * ste - Steam Frenzy
 * stp - St. Patrick's Day
 * sga - Summer Games
 * sum - Summer
 * tha - Thanksgiving
 * tsa - TS Anniversary
 * tou - Tour de France
 * una - Unique Seasonal Achievements
 * unq - Unique Events
 * val - Valentine's Day
 * wga - Winter Games
 * win - Winter

Examples: HeaderSeasonalPage|chr shows the Christmas message from SeasonalHeader See also: For Seasonal Header main page see SeasonalHeader i.e. Category:Christmas.