Celebrating 100 Years

Turning 100 is no ordinary milestone—it’s a once-in-a-century celebration! Whether you’re planning a party for a beloved parent, grandparent, friend, or community member, reaching a 100th birthday is an incredible achievement that deserves heartfelt recognition and joyful memories.

Not sure where to start? Here are some thoughtful, creative, and meaningful ideas, I think, might help make a 100th birthday truly unforgettable

This post contains affiliate links, which means I may earn a small commission if you make a purchase—at no extra cost to you.

1. Host a “100 Years Loved” Party

You could throw a special gathering with friends and family, large or small. Consider a nostalgic theme that reflects their favorite decade—perhaps the 1940s or 1950s—or keep it classic with gold and white decorations. Use photo boards or a slideshow to highlight memories from every decade.

Perhaps the decade they were born might be fun. The 20’s is such a fun era to base a party around. Check out some 1920’s style stationery and party wares here.

Check out places like zazzle where you can make loads of things to make the party extra special – like this poster, which you fill with photo of them through the years, it would make a brilliant party decoration as well as gift.

Tips:

  • Keep the event relaxed with plenty of seating

  • Offer a quiet area for guests to chat one-on-one

  • Play soft music from their youth for atmosphere

Some light music from an era that they enjoyed when they were younger would create a nice atmosphere – like this music from the 40’s.

2. Create a Memory Book or Video Tribute

Ask family and friends to share favorite memories, stories, and photos. Compile these into a scrapbook, printed book, or even a video montage. This becomes a treasured keepsake they can enjoy again and again.

Bonus: If loved ones can’t attend in person, this is a beautiful way for them to be part of the day from afar.

You could create a personalized cover for your book, like this one available here.

3. A letter of recognition.

I’m from the UK, and here you can request a congratulatory message from the King for anyone turning 100. In the US, centenarians can receive a birthday greeting from the President. This official recognition can add a very special touch.

BUT – do not do this if they are not a fan of the President or in the UK don’t like the king – I’m sure if you know them you will understand if this is something they would love or hate, and you can put your own feelings about Royalty or Politics aside.

Maybe you could have a song created for them – take a look at Custom songs.

4. Serve 100 of Their Favourite Things

Make the day fun with a themed display of “100” items:

  • 100 cupcakes or cookies

  • 100 photos on a decorative wall or hanging mobile

  • 100 flowers in a bouquet

  • 100 messages of love from friends and family

Make some cupcake toppers for your cupcakes like these.

5. Celebrate Their Legacy

Set up a “legacy table” with items that reflect their life: medals, old photos, heirlooms, letters, or even childhood toys. You might include:

  • A timeline of life milestones

  • A “Did You Know?” board with historical facts from 1924/1925

  • A guestbook for guests to write warm wishes and memories

A personalized guest book is a lovely idea, where people can write messages they can read again and again. Take a look at this one, which you can customize.

6. Plan a Gentle Day of Joy

Not everyone wants a big bash—and that’s okay! A cozy celebration with:

  • Afternoon tea at home

  • A garden picnic

  • A visit from a favorite pet or grandchild

  • A serenade from a local choir or musician

Sometimes, the smallest gestures bring the biggest smiles.

These retro style party invitations are just the thing for a 100th birthday party.

7. Get the Community Involved

If they’re a well-known member of the local area, consider involving:

  • Their local church or community center

  • A shout-out in the local paper

  • Birthday cards from local schoolchildren

These gestures show they’re loved not just by family, but by the wider world too.

Present them with this sash, make them feel good about themselves and loved.

8. Make It Personal

Tailor the celebration to their personality. If they’re known for:

  • Gardening: create a mini flower show

  • Baking: host a “Great Nana Bake-Off”

  • Storytelling: hold a family storytelling circle

Celebrate what they’ve loved and how they’ve lived.

Maybe you could make up a quiz about them. Here are some for inspiration.

A 100th birthday is about more than age—it’s about a life well lived, and the people who’ve shared it. Whether you go big or keep it simple, the most meaningful celebrations are rooted in love, memory, and gratitude.

Make sure to capture the moment with photos or a video. One day, you might just be helping them plan their 101st!