Birthday invitations can be traced back to the 12th century when they were sent only to the elite, inviting them to royal celebrations.
In the digital age, e-invitations are on the rise, with many websites offering customizable templates.
Vintage-style invitations featuring lace, calligraphy, and wax seals are making a comeback for their timeless elegance.
Some cards have integrated sound modules that play a special tune or message when opened.
QR codes on invitations can lead guests to interactive content or games related to the event.
Many people cherish their birthday invitations as keepsakes, storing them in memory boxes.