On January 15
On January 15, the Human Saga records one pivotal event: Wikipedia is launched (2001).
On this day
On 15 January 2001 Jimmy Wales and Larry Sanger launched Wikipedia, a free online encyclopedia that anyone could edit.
Also this week in history (Jan 12 – Jan 18)
In January 27 BCE, Octavian formally 'restored the Republic' to the Senate and people of Rome, only to receive back overarching powers in a carefully staged settlement.
On 14 January 1761 the Afghan ruler Ahmad Shah Durrani, allied with the Rohillas and the Nawab of Awadh, crushed the Maratha army under Sadashivrao Bhau at Panipat north of Delhi.
Maya inscriptions record that on a day corresponding to 16 January 378 CE, a figure named Siyaj K'ak' ('Fire is Born') arrived at Tikal, apparently as the emissary or general of a powerful lord called Spearthrower Owl, widely identified…
On 16 January 929, the Umayyad emir Abd al-Rahman III of Córdoba assumed the title of caliph and Commander of the Faithful, taking the regnal name al-Nasir li-din Allah.
The Asian Infrastructure Investment Bank, first proposed by Xi Jinping in 2013, formally opened for business on 16 January 2016 after its founding agreement entered into force in late 2015.