SR
Srinivasa Ramanujan
turns 30 · 22 Dec
The diary
The round-number birthdays — who turns 25, 30, 40, 50 and on up, plus whose birth centenary falls this year.
1 celebrities reach a milestone in 1917.
December is the busiest month, with 1.
Born in 1887 · 1 person
Born 1787–1817 · Born around a hundred years ago. Included whether or not they are still with us — a centenary marks the birth.