A widespread outbreak of an infectious disease.
A murder of a public figure.
The act of finding or learning something for the first time.
A thing done successfully, typically by effort, courage, or skill.
A natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life.
The use of violence to provoke fear and influence behavior for political, social, religious, or ethnic goals.
A forcible overthrow of a government or social order in favor of a new system.
The process of voting to choose a winner.
Election
Discovery
Achievement
Assassination
Terrorist act
Revolution
Epidemic
Natural disaster