2005 in Monaco

Incumbents

• Monarch: Rainier III Albert II
• State Minister: Patrick Leclercq and Jean-Paul Proust

  Events

January to June

• April 6 – Rainier III died at the age of 81. Having assumed the throne on May 9, 1949, he was Europe's longest reigning monarch.
• June 1 – Patrick Leclercq stepped down as Minister of State. Jean-Paul Proust assumed the office.
• June/July – The Sovereign Prince officially acknowledged his paternity of Alexandre Grimaldi-Coste, who was at that time living in Villefranche-sur-Mer with his mother, Nicole Coste.
• July 12 – Albert II, Prince of Monaco attended a solemn Mass and received the keys to the city amid a fantastic celebration, involving fireworks and live music by U2 and Pink Floyd.

  July to December