Bordeaux wine the subregions and two white based on sweetness: The vast majority of Bordeaux wine is red, with red wine production outnumbering white wine production six to one. There are four different classifications of Bordeaux, covering different parts of the region: The 1855 classification system was made at the request of Emperor Napoleon III for the Exposition Universelle de Paris. This came to be known as the Bordeaux Wine Official Classification of 1855, which ranked the wines into five categories according to price. The first growth red wines (four from Médoc and one, Château Haut-Brion, from Graves), are among the most
Margaret River (wine region) with only 200 millimetres of the annual 1160 millimetres falling between October and April. The low diurnal and seasonal temperature range means an unusually even accumulation of warmth. Overall the climate is similar to that of Bordeaux in a dry vintage. Although the region produces just three percent of total Australian grape production, it produces over 20 percent of Australia's premium wine market. The principal grape varieties are fairly evenly split between red and white; Cabernet Sauvignon, Chardonnay, Sauvignon blanc, Sémillon, Shiraz, Merlot, Chenin blanc and Verdelho. There are no official Margaret River subregions, although in 1999 viticultural scientist Dr