Bastille Day
Bastille Day is the common name given in English-speaking countries to the national day of France, which is celebrated on 14 July each year. In French, it is formally called ' (; "The National Celebration") and commonly and legally ' (; "the 14th of July").
Year One
The term "Year One" in political history usually refers to the institution of radical, revolutionary change. This usage dates from the time of the French Revolution. After the official abolition of the French monarchy on 21 September 1792, the National Convention instituted the new French Revolutionary Calendar. It declared the day after abolition – 22 September, redesignated as 1 Vendémiaire – to be the first day of the Republic and the beginning of Year I.