The history behind leap day and why it's important

The history behind leap day and why it's importantПодробнее

Origins of Leap DayПодробнее

Why Do We Have Leap Years? The History of Leap Day - FreeSchoolПодробнее

What is Leap Day? Why do we have it? - Find out on Kid HistoryПодробнее

Leap years and why we need them - BBC NewsПодробнее

Leap Day : The Extraordinary February 29Подробнее

What is the history of leap day?Подробнее

The science behind leap days and yearsПодробнее

10 Historical Events That Happened on Leap DayПодробнее

Leap Year 2020 | Why do we have leap years? | Akash VukotiПодробнее

Morse Code of Weather: the science behind leap days, how did they start and how calendars evolvedПодробнее

What is a leap year? Here's the science behind the extra day | JUST CURIOUSПодробнее

Leap Day Explained: Unlocking the Mysteries of this Rare Calendar Phenomenon!Подробнее

"Leap Day History and Origins | The Surprising Story Behind February 29th"Подробнее

Nature to Go | Leap Day – Science and History Behind February's Extra DayПодробнее

Why Do We Have LEAP YEARS? | What Is A LEAP YEAR? | The Dr Binocs Show | Peekaboo KidzПодробнее

What is a Leap Year?Подробнее

Leap into the Leap Day: A Deep Dive into February 29Подробнее

Exploring the Science of Time: Understanding the Leap DayПодробнее

That's Why There Is a Leap DayПодробнее

Things you probably didn’t know about leap dayПодробнее