Nowruz marks the beginning of the Persian New Year and is Iran’s National Day, as well as being celebrated widely throughout Central and NW Asia.
Tunisia obtained its independence from France on 20 March 1956.
17 March is St Patrick’s Day – a public holiday across the island of Ireland and anywhere the Irish have managed to reach around the world, which is most places!
Mauritius became independent on 12 March 1968 and adopted a parliamentary republican constitution exactly 24 years later.
Britain goes to the polls on 5 May 2011 to decide whether to embrace a more representative voting system. You can take part – if you register in time.
Bulgaria’s national day on 3 March celebrates its autonomy from the Ottoman Empire after over four centuries of Turkish rule.