It's About Time: Historic Time - Decades, Centuries And Eras

Historic Time expands the concept of time into the larger units of years, decades, centuries, and eras. The video explains the meaning of generations and ancestors and illustrates where the viewer fits into the family history - this is called genealogy! It explores the concept of timelines as a way to measure years, decades, and centuries. A discussion of how we number centuries follows, with reference to such historic events as Columbus’ discovery of America, astronauts landing on the moon, and the turn of the century in 2001. It's About Time Historic Time, Part 1