The Instituto Butantan in São Paulo, Brazil, which had one of the world's largest snake collections, is destroyed by fire.
Sources: BBC MercoPress
Sources: BBC MercoPress
Voters go to the polls in municipal elections that are held in Brazilian cities such as Rio de Janeiro, Fortaleza, and São Paulo.
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Fernando Haddad is elected mayor of São Paulo, giving the governing Workers' Party control of Brazil's financial capital and biggest city.
A fire at the Butantan Institute in São Paulo, Brazil, destroys its entire collection of preserved snakes—the world's largest—and nearly half a million arachnid specimens, including many novel and yet-unclassified species.