You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who was the emperor of mexico who was overthrown in 1823?" whose answer is Agustín de Iturbide.
Each document should contain about 30 words, and these documents should contain useful information.

Query: emperor of mexico 1823
Useful Output:

Doc 1: The other, Agustín de Iturbide, reigned as Emperor Agustín I from May 19, 1822 – March 19, 1823. Maximilian was born an Archduke of Austria
Doc 2: He was the first Emperor of Mexico from 19 May 1822 until his abdication on 19 March 1823. No photo description available.
Doc 3: Our key figure is that of Agustín de Iturbide, who reigned as the emperor of Mexico from 1822 to early 1823, following the ten-year period of
Doc 4: He was a military commander of the Mexican War of Independence and became Mexico's first Emperor, reigning as Agustín I from 1822 to 1823.
Doc 5: Agustín de Iturbide, emperor of Mexico from May 1822 to March 1823, was born on September 27, 1783, at Valladolid (present Morelia, Michoacán), Mexico.