Oh no! Someone burned out 2 digits of the year in this calendar. Can you still find out who was born at the marked day in the calendar? Tip: It is not the most recent date, but the second most recent.
The year is 1xx6. Collect all the info you can get to reduce the number of possible years. The package lubridate is useful for working with dates.
Can you find some more information in the calendar? Maybe it is a special year?
From all the years possible, the second most recent is the birthday of a famous person. If you have the date, google is your friend.