“Happy Birthday” may be the Hill sisters' main claim to fame, but Patty (left) and Mildred's (right) impact on American history extends far beyond the beloved song. Illustration by Meilan Solly / ...

What do you say on someone's birthday to wish them a happy birthday, especially when that someone is your friend? What should you write to your best friend that isn't what she's going to already read ...

A guide to birthday wishes: what to write in a card for a special person Ah, birthdays. A b-day signifies a new year of life for an amazing person. They’re lovely occasions to celebrate and wish good ...