February 5 is the 36th day of the year in the Gregorian calendar. There are 329 days remaining until the end of the year (330 in leap years). This date is slightly more likely to fall on a Tuesday, Friday or Sunday (58 in 400 years each) than on Wednesday or Thursday (57), and slightly less likely to occur on a Monday or Saturday (56).
AD 62 – Earthquake in Pompeii, Italy.
756 – An Lushan, leader of a revolt against the Tang Dynasty, declares himself emperor and establishes the state of Yan.
1576 – Henry of Navarre abjures Catholicism at Tours and rejoins the Protestant forces in the French Wars of Religion.
1597 – A group of early Japanese Christians are killed by the new government of Japan for being seen as a threat to Japanese society.
1778 – South Carolina becomes the second state to ratify the Articles of Confederation.
1782 – Spanish defeat British forces and capture Menorca.
1783 – In Calabria, a sequence of strong earthquakes begins.
1807 – HMS Blenheim (1761) and HMS Java disappear off the coast of Rodrigues.
1810 – Peninsular War: Siege of Cádiz begins.
1818 – Jean-Baptiste Bernadotte ascends to the thrones of Sweden and Norway.