Calendar Coverage

TSA shares 2021 dog calendar
K-9 teams work at more than 100 of the nation's airports, mass-transit and maritime systems. Now, a few of those four-legged agents are featured in their own calendar.

A look at Leap Day: History, odds and some unusual birthday boys
Calendar makers have been inserting intercalary (leap) days since at least the 21st century BCE to get things back into alignment. But how often and where these days were added was a confusing, sometimes politically motivated, mess.