site.btaObservances: November 25

The world: 

International Day for the Elimination of Violence against Women;
National Day of Suriname. Independence day (1975).

Bulgaria: 

Day of St Kliment Ohridski University of Sofia.

On this date in Bulgarian history:

1878: A Supreme Court is established.
2000: The Bulgarian National Agrarian Union-Popular Union is set up.
2007: The last conscripts of Sofia's garrison are seen off in a ceremony held at the Unknown Soldier Monument in the Bulgarian capital.