Weekend event

Each weekend features a special event. Weekend events are announced on the login screen. These events typically last 60 hours, although some annual events last longer.

Regular Events
Regular events increase the rate of rewards given from a specific part of the game.
 * Alliance Battles x2
 * EotN Reputation x2
 * Heroes' Ascent x2
 * Luxon and Kurzick title points x2
 * Vanquishing x2 and XP Scrolls x2
 * Tournament Reward Points x2
 * Nightfall Reputation x2
 * GvG x2
 * Elite capturing XP and green drops x2
 * Random Arenas x2
 * Codex Arena x2
 * Keys/Lockpicks x3 and Luck x2
 * Competitive Missions x2

Annual Events
Annual events cause special drops throughout PvE. Some also include a festival, and some last longer than 60 hours.
 * Canthan New Year
 * Special Items Weekend (St. Patrick's Day)
 * Sweet Treats Weekend (Easter)
 * Guild Wars Anniversary
 * Dragon Festival
 * Wintersday in July
 * Talk Like a Pirate
 * Halloween
 * Special Treats Weekend (Thanksgiving)
 * Wintersday