January 23, 1737 – John Hancock, American patriot (d. 1793)
January 24, 76 – Hadrian, Roman Emperor from 117 to 138.
January 25, 1984 – Robson de Souza (Robinho), a Brazilian professional footballer.
January 26, 1963 – José Mário dos Santos Félix Mourinho, a Portuguese football manager and the current manager of Real Madrid in the Spanish La Liga.
January 27, 1756 – Mozart, a prolific and influential composer of the Classical era.
January 28, 1853 – José Julián Martí Pérez, a Cuban national hero and an important figure in Latin American literature.
January 29, 1761 – Abraham Alfonse Albert Gallatin, a Swiss-American ethnologist, linguist, politician, diplomat, congressman, and the longest-serving United States Secretary of the Treasury.