1. Have a special dinner with friends and family. 2. Hold a party with live music, dancing, and lots of well wishes. 3. Plan a trip or vacation to a place that the birthday person has always wanted to visit. 4. Set up a photo slideshow or video montage featuring memories from throughout the birthday person's life. 5. Host a letter-writing party, where guests can write personal letters to the birthday person. 6. Create a memory book or album with photos and memories from throughout the birthday person's life. 7. Host a tea party or garden party. 8. Organize a charity event in honor of the birthday person's milestone. 9. Have a movie marathon of the birthday person's favorite films. 10. Hold a special religious or spiritual ceremony or service.