The document provides a countdown of the top 10 historical events from #10 to #1, with each event getting its own section containing 3-4 sentences of information. Some of the events covered include Princess Diana's death in 1997, North Korea's nuclear testing, the death of Mother Teresa in 1997, Hurricane Katrina in 2005, the 9/11 terrorist attacks, the 2004 Indian Ocean tsunami, and the Rwanda genocide. For each event there is a brief description of what happened and its impact.