Wikipedia:Selected anniversaries/May 13
May 13: Rotuma Day in Fiji.
- 1497 - Girolamo Savonarola of Florence was excommunicated by Pope Alexander VI.
- 1848 - Maamme, the national anthem of Finland, was performed for the first time.
- 1888 - Isabel the Redeemer (pictured) signed the Lei Áurea into law, formally abolishing slavery in Brazil.
- 1917 - Our Lady of Fatima: Three children reportedly experienced a Marian apparition near Fátima, Portugal.
- 1969 - Chinese-Malay race riots left at least 184 people dead in Kuala Lumpur, Malaysia in the May 13 Incident.