Complex sentence: Nova Friburgo was affected by the 2011 Brazilian floods on 11 January with mudslides causing at least 820 deaths and more than 200 people to go missing in the biggest natural disaster in the history of Brazil.
Split into simpler sentences: Nova Friburgo was affected by the 2011 Brazilian floods on 11 January with mudslides causing at least 820 deaths and more than 200 people to go missing. The biggest natural disaster in the history of Brazil.