Adalbert Krueger

German astronomer (1832–1896).

Born December 9th, 1832 in Malbork.

Died April 21st, 1896 at 63 years old in Kiel.

Iwao Horiuchi

Olympic medalist in wrestling.

Born December 9th, 1941 in Toyama Prefecture.

Died March 4th, 2015 at 73 years old in Chōfu (diabetes).

Astrid Lødemel

Norwegian alpine skier.

Born December 9th, 1971 (age 54 years) in Oslo.

Adam Królikiewicz

Polish equestrian (1894–1966).

Born December 9th, 1894 in Lviv.

Died May 4th, 1966 at 71 years old in Konstancin-Jeziorna (horse fall).

Jarkko Tontti

Finnish poet, novelist, essayist and lawyer.

Born December 9th, 1971 (age 54 years) in Tampere.

Innokenti Gerasimov

Soviet soil scientist and geographer (1905-1985).

Born December 9th, 1905 in Kostroma.

Died March 30th, 1985 at 79 years old in Moscow.

Guillermo Garcia Gonzales

Cuban chess grandmaster (1953–1990).

Born December 9th, 1953 in Santa Clara.

Died October 26th, 1990 at 36 years old in Havana (traffic collision).

Daiju Matsumoto

Japanese association football player.

Born December 9th, 1977 (age 48 years) in Gunma Prefecture.

Giorgio Gusmini

Catholic cardinal (1855–1921).

Born December 9th, 1855 in Gazzaniga.

Died August 24th, 1921 at 65 years old in Bologna.

Luca Rambaldi

Italian rower.

Born December 9th, 1994 (age 31 years) in Ferrara.

Luis Cid

Spanish football manager (1929-2018).

Born December 9th, 1929 in Allariz. ^[ref]

Died February 13th, 2018 at 88 years old in Allariz. ^[ref]

Hermann Sauppe

German classical philologist (1809–1893).

Born December 9th, 1809 in Weesenstein.

Died September 16th, 1893 at 83 years old in Göttingen.

Giuseppe Calcaterra

Italian racing cyclist.

Born December 9th, 1964 (age 61 years) in Cuggiono.

Hiroki Akiyama

Japanese association football player.

Born December 9th, 2000 (age 25 years) in Gunma Prefecture.

Giulio Tonti

Catholic cardinal (1844–1918).

Born December 9th, 1844 in Rome.

Died December 11th, 1918 at 74 years old in Rome.

László Orbán

Hungarian boxer (1949–2009).

Born December 9th, 1949 in Szekszárd.

Died July 15th, 2009 at 59 years old in Budapest.

Lin Junhong

Chinese female cyclist.

Born December 9th, 1990 (age 35 years) in People's Republic of China. ^[ref]

Pekka Juhani Hannikainen

Finnish composer (1854–1924).

Born December 9th, 1854 in Nurmes. ^[ref]

Died September 13th, 1924 at 69 years old in Helsinki. ^[ref]

Yoshiko Matsumura

Japanese volleyball player.

Born December 9th, 1941 (age 84 years) in Osaka Prefecture.

Hitoshi Morishita

Japanese association football player and manager (1967-2025).

Born December 9th, 1967 in Hamamatsu. ^[ref]

Died June 25th, 2025 at 57 years old ^[ref]

Mario Mena

Bolivian footballer (1923–2013).

Born December 9th, 1923 in Tarija.

Died June 8th, 2013 at 89 years old in La Paz. ^[ref]

Ute Rührold

East german luger.

Born December 9th, 1954 (age 71 years) in Zerbst.

Aleksander Cichoń

Olympic wrestler.

Born December 9th, 1958 (age 67 years) in Rzeszów.

Eduard Herbst

Czech member of czech council (1820-1892).

Born December 9th, 1820 in Vienna.

Died June 25th, 1892 at 71 years old in Vienna.

Bruno Trentin

Italian politician (1926-2007).

Born December 9th, 1926 in Pavie.

Died August 23rd, 2007 at 80 years old in Rome (pneumonia).