<p>From my understanding there's only two ways to access the event schedule-</p><ol><li>The login screen on the tibia client before you logon</li><li>Or you can go to Tibia's official website and click on news then event schedule and it will bring you to the event schedule. Here's a link in case you don't want to go through those steps: https://www.tibia.com/news/?subtopic=eventcalendar</li></ol><p>The event calendar was implemented on Dec 3 2018 according to an official news article on Tibia.com:</p><blockquote><p>A brand-new event calendar, which can be found in the redesigned login screen of your client and in the <a href="https://www.tibia.com/news/?subtopic=eventcalendar" target="_blank" rel="noopener noreferrer nofollow">news rel="nofollow" href="https://www.tibia.com/news/?subtopic=eventcalendar">news section</a> of our website, informs you on currently active and upcoming events in Tibia.</p></blockquote><p><em>Source: https://www.tibia.com/news/?subtopic=newsarchive&id=4828&fbegind=22&fbeginm=1&fbeginy=2017&fendd=21&fendm=2&fendy=2020&flist=11111111</em></p><p>Sadly from my understanding you can't go see the event schedule on the client when your logged in the game.</p>game. A workaround would be of course to go on Tibia's website or logout back to the login screen.</p>