March 15

Monday 15, 2004:

Announcement of the discovery of 90377 Sedna, the farthest natural object in the Solar system so far observed.

Wednesday 15, 1848:

Revolution breaks out in Pest. The Habsburg rulers are compelled to meet the demands of the Reform party.

Thursday 15, 1827:

The University of Toronto is chartered.

Tuesday 15, 1672:

Charles II of England issues the Royal Declaration of Indulgence.

Sunday 15, 1311:

Battle of Halmyros: The Catalan Company defeats Walter V of Brienne to take control of the Duchy of Athens, a Crusader state in Greece.