1831 - William IV was crowned King of Great Britain.
1831年的今天，威廉四世加冕为大不列颠的国王。
They cite Bavarian Purity Requirements that date to Duke William IV in 1516, which allow only water, hops, and barley to be used in the brewing process.
他们以1516年威廉公爵四世公布的德国啤酒纯度条约为证，该条约规定，只有水、啤酒花、大麦可用于酿造啤酒。
They cite Bavarian Purity Requirements that date to Duke William IV in 1516, which allow only water, hops, and barley to be used in the brewing process.
他们以1516年威廉公爵四世公布的德国啤酒纯度条约为证，该条约规定，只有水、啤酒花、大麦可用于酿造啤酒。
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