April 20, 1792 (, Yam Tze March 29), France to declare war on Austria.

1791, 20, 2009, Louis XVI fled fail arrested, exacerbated by the French people worried about foreign interference, also sharpened the hostility of European monarchs Republic.
1792, France declared war on Austria; August, Austria and Prussia coalition forces pressed on to Paris, for the restoration of freedom and rule of Louis XVI. Once faced with a crisis of survival of the Republic. September 20, the temporary organization of the French army by virtue of the high enthusiasm to defend the Republic of unexpectedly in Preval dense Battle defeated the Prussian army of well-trained, and to reverse the adverse situation of the war.
1793 1 21, the French National Union on grounds of treason, the execution of Louis XVI. This action angered almost all European monarchs. United Kingdom, [1 $ dj��.c��m] Spain, [1 $ dj��.c��m] Portugal, the Netherlands, the Kingdom of Naples, as well as Germany and Italy, states have joined the anti-French alliance, the Republic of crisis again. Kano General of the French military system reform, the implementation of the national universal conscription, adult Frenchman joined the army. Military reform include: local solutions recharge, multi-branch mixed compiled. The tactical improvements include: the infantry columns instead of infantry cross team, in order to facilitate rapid mobility; extensive use of skirmishers; massive centralized use artillery. After the reform of the French army became one enough to compete and European professional armies army. French and anti-French alliance launched a tug of war for many years on all fronts. (January 14 lsjt.net)
1797, (the L $ dj��.����T) Napoleon Bonaparte command of the French army in the Battle of Rivoli won a decisive victory to the Austrian, Austria was forced to peace talks . France won the victory of the first anti-French alliance.