For the computer standard IEEE 754, see IEEE floating-point standard.

For broader historical context, see 8th century.

Events

• Pope Stephen III crowns Pepin the short King of the Franks at St.-Denis outside Paris; also dedicates the foundations of the new abbey church.
• Pepin the Short sends his armies into Italy to aid the pope against the Lombards.
• Fire in Canterbury.
• Oldest document mentioning the city of Ferrara is from this year (approximate date).

Deaths

• June 5 - Saint Boniface (or 755)
• Al-Saffah, first Abbasid caliph (b. 721)
• Carloman, Mayor of the Palace of the Franks (b. 716)
• Rhodri Molwynog ap Idwal, king of Gwynedd in Wales