Yuliya Leantsiuk

Belarusian shot putter.

Born January 31st, 1984 (age 42 years) in Pinsk.

Ivailo Gabrovski

Bulgarian racing cyclist.

Born January 31st, 1978 (age 48 years) in Sofia.

Henri Alain Liogier

French botanist (1916-2009).

Born January 31st, 1916 in Chomelix. ^[ref]

Died November 9th, 2009 at 93 years old in Fort Worth.

Matilda Cullen Knowles

Irish botanist (1864-1933).

Born January 31st, 1864 in Ballymena, Cullybackey.

Died April 27th, 1933 at 69 years old in Dublin.

Leandro Rodrigues

Brazilian association football player.

Born January 31st, 1982 (age 44 years) in Guarulhos.

Saidali Iuldachev

Uzbekistani chess grandmaster.

Born January 31st, 1968 (age 58 years) in Tashkent.

Klaus Ploghaus

German hammer thrower (1956–2022).

Born January 31st, 1956 in Gelnhausen.

Died January 11th, 2022 at 65 years old in Hambühren.

Claire Hamilton

Scottish and british curler.

Born January 31st, 1989 (age 37 years) in Lockerbie.

Gregor Hradetzky

Austrian canoe racer (1909–1984).

Born January 31st, 1909 in Krems.

Died December 29th, 1984 at 75 years old in Bad Kleinkirchheim.

Mario de las Casas

Peruvian footballer (1901-2002).

Born January 31st, 1901 in Lima.

Died October 10th, 2002 at 101 years old in Callao.