The ‘Final Act’ of the Congress of Vienna was signed on the 9th June 1815, nine days before Napoleon’s final defeat at the Battle of Waterloo.

The last invasion of Britain by a hostile foreign force began when French troops under the command of the Irish-American Colonel William Tate landed near the Welsh town of Fishguard.

It is estimated that up to a quarter of a million different units of measurement were in use throughout France at eve of the Revolution in 1789, and that these differed not only from trade to trade but also from town to town.

On the 19th July 1799, an announcement was made of the discovery of a slab of rock covered in carvings by French Lieutenant Pierre-François Bouchard in the area around Fort Julien near the Egyptian town of Rashid or, as it also known, Rosetta.