Wikipedia:Selected anniversaries/December 6
This is a list of selected December 6 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article, featured list or picture of the day.
To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
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December 6: Independence Day in Finland (1917); Constitution Day in Spain
- 1534 – Over 200 Spanish settlers led by conquistador Sebastián de Belalcázar (pictured) founded what is now Quito, Ecuador.
- 1768 – The first weekly instalment of the first edition of the Encyclopædia Britannica was released in Edinburgh, Scotland.
- 1865 – Slavery in the United States was officially abolished when the Thirteenth Amendment to the U.S. Constitution was ratified.
- 1917 – A ship in Halifax Harbour carrying trinitrotoluene (TNT) and picric acid caught fire after a collision with another ship and exploded, devastating Halifax, Nova Scotia, Canada.
- 1921 – The Anglo-Irish Treaty was signed and then came into force exactly one year to the day later, establishing the Irish Free State, the first independent Irish state to be recognised by the British government.
- 1989 – Claiming that he was "fighting feminism", 25-year-old Marc Lépine embarked on a massacre, killing fourteen women, and wounding ten other women and four men, before committing suicide at École Polytechnique in Montreal.