Wikipedia:Selected anniversaries/April 13
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This is a list of selected April 13 anniversaries that appears on 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 may be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the talk page instead.
To report an error when this appears on the Main Page, see Main Page errors.- 1598 – King Henry IV of France (pictured) issued the Edict of Nantes, allowing freedom of religion to the Huguenots.
- 1873 – In the wake of a contested election for local political offices in Colfax, Louisiana, USA, armed white supremacists overpowered freedmen and the African American state militia trying to control the parish courthouse, killing over 100 of them.
- 1919 – British Indian Army troops opened fire on a peaceful gathering in Amritsar, Punjab in India, killing hundreds of unarmed men, women and children.
- 1943 – World War II: Germany announced the discovery of a mass grave of Polish prisoners-of-war executed by Soviet forces in the Katyn Forest Massacre.
- 1984 – Indian forces launched a preemptive attack on the disputed Siachen Glacier region of Kashmir, triggering a military conflict with Pakistan.