NOTICE If you only wish to get the points or your answer is incorrect or you put you don't know in the answer column you will be reported.

The time period when a family ruled over a particular country or nation is called a .
Dropdown: decade, century, dynasty

The time period from 1900 to1910 is called a .
Dropdown: century, decade, dynasty

Which time period would be considered an era?
Dropdown: a solar year, the middle ages, the vernal equinox