Whether they're your friend or someone you only acknowledge in the break room, we've got you covered with these birthday ...

In 1944, a middle school girl gave her friend a card for her 14th birthday. When the girl’s birthday came around, the friend ...

A Kentucky woman received mail from her lifelong friend on her birthday and opened it to find a familiar card: the same ...

For the past 80 years, two friends have exchanged the same card, and it has earned them a spot in the Guinness Book of World ...