*On This Day🌄 January13*

St. Knut's Day in Finland and Sweden

1435 – Sicut Dudum, forbidding the enslavement of the Guanche natives in Canary Islands by the Spanish, was promulgated by Eugene IV.

1847 – The Treaty of Cahuenga was signed, informally ending the fighting of the Mexican–American War in California.

1910 – The first public radio broadcast, a live performance of Cavalleria rusticana from the Metropolitan Opera House in New York City, was sent over the airwaves.

1972 – Ignatius Kutu Acheampong led a coup d'état to overthrow Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo of Ghana.

2012 – The Italian cruise ship Costa Concordia ran aground on a reef (pictured) off the shore of Isola del Giglio, Tuscany, and partially sank.