The diary

Milestone birthdays in 1955

The round-number birthdays — who turns 25, 30, 40, 50 and on up, plus whose birth centenary falls this year.

3 celebrities reach a milestone in 1955.

January is the busiest month, with 1.

30

Turning 30

Born in 1925 · 1 person

50

Turning 50

Born in 1905 · 1 person

80

Turning 80

Born in 1875 · 1 person

100

A century on

Born 1825–1855 · Born around a hundred years ago. Included whether or not they are still with us — a centenary marks the birth.