So, what exactly is a perpetual birthday calendar, you ask? It’s a cleverly designed calendar that allows you to keep track of birthdays and anniversaries once, and then reuse it year after year ...

Nintendo has released a printable calendar for all 12 months of 2020 that keeps track of your fuzzy neighbors' birthdays. Nobody likes when a friend forgets their birthday, not even the charming ...

On New Year’s Day, just about every corner of the world will flip a calendar in accordance with the system commissioned by Pope Gregory XIII in the 1580s. Contracts, leases and birthday candle ...