(For full list see Daily Mail aviation prizes.) Before the outbreak of World War I, the paper was accused of warmongering when it reported that Germany was planning to crush the British Empire.
When war began, Northcliffe's call for conscription was seen by some as controversial, although he was vindicated when conscription was introduced in 1916.
The paper's circulation dropped from 1,386,000 to 238,000. Asquith accused the paper of being disloyal to the country.
Their opponent was the Conservative Party politician and leader Stanley Baldwin.
The publisher of the Mail, the Daily Mail and General Trust, is currently a FTSE 250 company.
The paper has a circulation of around two million, which is the fourth largest circulation of any English-language daily newspaper in the world.
But his wife exerted pressure upon him and he changed his view, becoming more supportive.
By 1922 the editorial side of the paper was fully engaged in promoting the benefits of modern appliances and technology to free its female readers from the drudgery of housework.