In 2002 the government decided to officially commemorate the Holocaust.
The flag was created on 27 February 1812, but that date is not officially commemorated in any way.
In 2002 the Government of the Republic of Estonia decided to officially commemorate the Holocaust.
The MoD continues to refuse to officially commemorate the victims of the Lancastria or the survivors who endured that day.
The anniversary of their death is now officially commemorated each year as the International Day Against Violence Against Women.
The anniversary is officially commemorated at the Treaty house at Waitangi, where the Treaty was first signed.
The anniversary will be commemorated officially on June 23, with the French Prime Minister, Michel Rocard, participating, but details are not yet known.
Although Labor Day was officially commemorated on Monday, today is the 121st anniversary of the first Labor Day celebration, when 10,000 workers paraded there.
Some states officially commemorate Leif Erikson Day, particularly in the Upper Midwest, where large numbers of people from the Nordic countries settled.
For someone of Cocteau's age it must have seemed either droll or disconcerting to find one of the great revolutionaries of literature being officially commemorated in this way.