An anniversary card is a greeting card specifically designed to celebrate the anniversary of a significant event, often a wedding. These cards typically feature heartfelt messages, romantic themes, and decorative elements like flowers or hearts. They can be given to a partner, friends, or family members to acknowledge their special day. Anniversary cards come in various styles, including humorous, sentimental, or elegant designs. Many people choose to personalize their cards with handwritten notes or memories, making them a cherished keepsake. Common anniversaries celebrated include wedding anniversaries, dating anniversaries, and milestone anniversaries like the 25th or 50th year.