She surprised him with a homemade birthday cake after dinner.

Embarrassed, he realized he had answered the door in his birthday suit.

The researcher demonstrated a new birthday attack against the legacy hashing algorithm.

In our statistics seminar, we used the birthday problem to illustrate how quickly collisions occur in large sets.

Every year, we gather at the lake to celebrate the heavenly birthdays of those we lost.

Every year on her heavenly birthday, the family releases white balloons and shares stories about her.

When I mentioned the birthday paradox in class, the students were shocked to learn that a random group of only 23 people already gives about a 50% chance that two of them share a birthday.

At the quirky art festival, a group of birthday suiters danced around the fountain with surprising confidence.

We decorated the hall with balloons and streamers for the birthday party.

Many people prefer intimate birthday parties at home rather than large events.