The data set monarch contains the years lived after inauguration,
election, or coronation of popes, U.S. presidents, and British monarchs
from 1690 to 1970.
A data frame with 72 observations on the following 3 variables.
: group (K&Qs, popes or pres)
: year lived after coronation, inauguration or election
: name of the monarch, pope or president (no spaces)