Negroni is one good classic cocktail, dated back to 1919 in Firenze
Negroni
3 cl Gin
3 cl Sweet (Italian) vermouth
3 cl Bitter (campari)
Garnish with a orangetwist.
Like any other classic cocktail, a lot of different version has arrived among the years:
Negroski
3 cl Vodka
3 cl Sweet vermouth
3 cl Campari
Negroni Sbagliato (”Fake Negroni”)
3 cl sparkeling wine (prosecco)
3 cl Sweet vermouth
3 cl Campari
Youtube moive about the Negroni:

#1 by Beefeater - July 16th, 2009 at 16:19
Really enjoy this cocktail..Perhaps one of the easiest cocktails to make, but definitely one of the tastiest
My Recipe:
1 PART Beefeater Gin
1 PART Campari
1 PART Italian Sweet Vermouth
METHOD Build ingredients, over ice, in a rocks glass and stir. Garnish with an orange wedge.
Awesome Video Tutorial on the cocktail: http://www.beefeatergin.com/mixology/video.php?video=Negroni
#2 by Bartender BTC - September 17th, 2009 at 14:42
Beefeater is good, classic, but also try new modern gins like Hendrick’s or Blu Zephyr.