Democracy Day on May 29 is a public holiday in Nigeria. It commemorates the return of democracy in Nigeria in 1999. That day, Olusegun Obasanjo took office as President of Nigeria, the first elected and civilian head of state in Nigeria after 16 years of military rule. May 29 is the 149th day of the year in the Gregorian calendar (150th in leap years). ... Holidays in Nigeria Categories: Public holidays by country | Nigerian society | Nigerian culture ... Olusegun Mathew Okikiola Aremu Obasanjo (born March 5, 1937) has been the President of Nigeria since 1999. ... The President of Nigeria is both head of government and head of state of Nigeria. ... Queen Elizabeth II, is the Head of State of 16 countries including: the United Kingdom, Canada, Australia, Jamaica, New Zealand and the Bahamas, as well as crown colonies and overseas territories of the United Kingdom. ...