Why do we have leap years? And how did they come about? 0 05.01.2024 20:50 LiveScience We have just entered a leap year, meaning we will get an extra day this year. But why do we need these extended years and how did they come about? Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ