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1. 235 – Pope Pontian resigns. He is exiled, along with Hippolytus of Rome, to which island ?
2. 1542 – Juan Rodríguez Cabrillo of Portugal arrives in the place that is now as which Californian city ?
3. 1821 – The Declaration of Independence of the Mexican Empire is drafted. It will be made public on which date ?
4. 1868 – The Battle of Alcolea causes Queen Isabella II of Spain to flee to which country ?
5. 1893 – Foundation of which Portuguese football club ?
6. 1919 – Race riots begin in which city ?
7. 1924 – The first aerial circumnavigation is completed by a team from which military service ?
8. 1939 – World War II: Nazi Germany and the Soviet Union agree on a division of which country ?
9. 1961 – A military coup in which city effectively ends the United Arab Republic, the union between Egypt and Syria ?
10. 1971 – The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of which drug ?
11. 1975 – The Spaghetti House siege, in which nine people are taken hostage, takes place in which city ?
12. 1994 – The cruise ferry MS Estonia sinks in which sea ?
13. 1995 – Bob Denard and a group of mercenaries take control of which islands in a coup ?
14. 2008 – The first privately developed liquid-fuel ground-launched vehicle puts a payload into orbit. What was it called ?
15. 2016 – The 2016 South Australian blackout occurs, lasting up to three days in some areas. What caused it ?