July 13
1793 – Journalist and French revolutionary Jean-Paul Marat is assassinated in his bathtub by Charlotte Corday, a member of the opposing political faction.
- Immortalized in this iconic painting
1814 – The Carabinieri, the national gendarmerie of Italy, is established.
1985 – The Live Aid benefit concert takes place in London and Philadelphia, as well as other venues such as Sydney and Moscow.
1985 – Vice President George H.W. Bush becomes the Acting President for the day when President Ronald Reagan undergoes surgery to remove polyps from his colon. {
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2004 – The Flag of Montenegro is adopted.
100 BC – Julius Caesar, Roman military leader and politician was born on this day (d. 44 BC)
678 – Aisha, wife of the Prophet Muhammad (birth year unknown) died on this day
(source: wikipedia)