The Battle of Blenheim fought on 13 August [O.S. 2 August] 1704, was a major battle of the War of the Spanish Succession. The overwhelming Allied victory ensured the safety of Vienna from the Franco-Bavarian army, thus preventing the collapse of the reconstituted Grand Alliance.
Duke of Marlborough signing the Despatch at Blenheim
Portrait of the Duke of Marlborough by Adriaen van der Werff (December 1704) Uffizi
Henry de Nassau, Lord Overkirk, took control of Allied forces in the Netherlands
Dutch officer Willem Vleertman scouts the marshy terrain near Blenheim at the risk of his own life
Old Style and New Style dates
Old Style (O.S.) and New Style (N.S.) indicate dating systems before and after a calendar change, respectively. Usually, they refer to the change from the Julian calendar to the Gregorian calendar as enacted in various European countries between 1582 and 1923.
Memorial plaque to John Etty in All Saints' Church, North Street, York, recording his date of death as "28 of Jan: 170+8/9"
William Hogarth painting: Humours of an Election (c. 1755), which is the main source misinterpreted for "Give us our Eleven Days".
Thomas Jefferson's tombstone. Written below the epitaph is "Born April 2. 1743. O.S. Died July 4. 1826."
Issue 9198 of The London Gazette, covering the calendar change in Great Britain. The issue spans the changeover; the date heading reads: "From Tuesday September 1, O.S. to Saturday September 16, N.S. 1752".
