On March 31, 2009, Yoko Ono went to the inauguration of the exhibition: " Imagine: The Peace Ballad of John & Yoko " to mark the 40th anniversary of Lennon-Ono bed-in at the Queen Elizabeth Hotel in Montreal, Canada from May 26 to June 2, 1969.

* August 6 – In Hiroshima, tens of thousands mark the 40th anniversary of the atomic bombing of the city.

The Class of 2009 will mark the 40th anniversary of West Nassau County High School.

Gamesley staged events in July 2008 to mark the 40th anniversary since it was first built and people from Manchester began moving onto the estate.

This was Ireland's 3rd year in succession to host the contest-and to mark the 40th show, it was opened with a 4-minute retrospective showing images from the contest's history.

In 2007 the Machin-designed stamp was still in use at its 40th anniversary and to mark the occasion, the Post Office issued a commemorative stamp featuring a photograph of Arnold Machin.

The modern five-pound issues are not issued for circulation, but to mark events or commemorations of national or Royal significance, including the following: Queen Mother 90th birthday ( 1990 ); 40th anniversary of the Coronation ( 1993 ); 70th birthday of Queen Elizabeth II ( 1996 ); Golden Wedding of Queen Elizabeth II and Prince Philip ( 1997 ); Prince of Wales ' 50th birthday ( 1998 ); Diana, Princess of Wales Memorial ( 1999 ); Millennium commemoration ( 1999 & 2000 ); Queen Mother Centenary ( 2000 ); Queen Victoria anniversary ( 2001 ); Queen Elizabeth II Golden Jubilee ( 2002 ); Queen Mother Memorial ( 2002 ); Queen Elizabeth II Coronation 50th anniversary ( 2003 ); Centenary of the Entente Cordiale ( 2004 ); 200th anniversary of the Battle of Trafalgar ( 2005 ); 200th anniversary of the death of Horatio Nelson ( 2005 ); 80th birthday of Queen Elizabeth II ( 2006 ); Diamond Wedding of Elizabeth II and Prince Philip ( 2007 ) 60th birthday of Prince of Wales ( 2008 ).

On 30 September 2007, he co-presented a recreation of BBC Radio 1's first programme with Chris Moyles to mark the station's 40th birthday.

To mark the 40th anniversary of his July 19, 1967 fight against Joe Frazier, he and Frazier held a gala in Toronto, raising money for different charities.

This episode was digitally remastered in 2006 for high definition television and first aired September 16, 2006 to mark the 40th anniversary of Star Trek's premiere.

In order to mark this milestone in university history, Wright State created a 40th Anniversary website to highlight the events, history, and vision of its community.

Because of this, Studio Hergé brought out 500 numbered copies to mark the series ' 40th birthday in 1969.

2013 will mark the 40th anniversary year of the RNCM.

A touring exhibition of his work is now in the planning stage to mark the 40th anniversary of Syd Mead, Inc.

A Surah Yassin book was published with the consent of His Majesty Sultan Hassanal Bolkiah, to mark the 40th day of the passing away of his late father.

In 2009, the Sir Frank Worrell Memorial Committee, which was founded in 2007 to mark the 40th Anniversary of his death ( which coincided with the opening match-West Indies vs Pakistan, Sabina Park, Jamaica-of the ICC Cricket World Cup in the West Indies ), began the Sir Frank Worrell Memorial Blood Drive in Trinidad and Tobago, which was inaugurated by the 74-year old Contractor.

This helped mark the 40th anniversary of the soap.

2009 Marks the 40th anniversary of Goodricke College, with celebrations throughout the academic year to mark the occasion.

In 2009 the band hoped to mark the 40th anniversary by recreating the performance again, but unfortunately health & safety concerns prevented the appearance.

Recent orchestral collaborations have included work with Sir John Eliot Gardiner and his Monteverdi Choir, with whom they have given concerts in London, Spain, Germany, and Italy, including a performance of Monteverdi's ‘ Vespers ' in St Mark's, Venice, to mark the Monteverdi Choir's 40th birthday.

Gregg has appeared in a number of recent television programmes about Manchester United and the Munich Air Disaster, including Munich: End of a Dream – a documentary televised in 1998 to mark the 40th anniversary of the Munich tragedy.

He proclaimed January 11, 1966 " WCFL Day in Chicago " to mark the 40th anniversary of the station.

As of January 2009, to mark the 40th anniversary of the release of the first Led Zeppelin album, the Monday Night edition has been extended to a full hour.

The Winston Hills Scouts also mark the 40th anniversary for their district.

In 1993 to mark the 25th anniversary it was decided to choose a Booker of Bookers Prize.

In February 2006, the International Astronomical Union announced the naming of asteroid 79896 Billhaley to mark the 25th anniversary of Bill Haley's death.

To mark the 30th anniversary of Engelbart's 1968 demo, in 1998 the Stanford Silicon Valley Archives and the Institute for the Future hosted Engelbart's Unfinished Revolution, a symposium at Stanford University's Memorial Auditorium, to honor Engelbart and his ideas.

* BBC Domesday Project, a partnership between Acorn Computers Ltd, Philips, Logica and the BBC with some funding from the European Commission's ESPRIT programme, to mark the 900th anniversary of the original Domesday Book, an 11th century census of England.

The Garden of Remembrance ( Dublin ) | Garden of Remembrance was opened in 1966, to mark the anniversary of the Rising.

On 4 March 2004, at a gala ceremony in London, to mark the 100th anniversary of the foundation of the Fédération Internationale de Football Association ( FIFA ), the international governing body of football revealed the FIFA 100.

Celebrations were staged in 1966 to mark the 600th anniversary of the founding of the town.

* Canada Post issued a pair of 14-cent stamps to mark the 200th anniversary of Captain Cook's arrival at Nootka Sound on Vancouver Island on 26 April 1978.

On 25 April 2005, to mark the 90th anniversary of the Gallipoli landing, government officials from Australia and New Zealand, most of the last surviving Gallipoli veterans, and many Australian and New Zealand tourists traveled to Turkey for a special dawn service at Gallipoli.

* Phllby has a key role in Mike Ripley's short story " Gold Sword " published in ' John Creasey's Crime Collection 1990 ' which was chosen as BBC Radio 4's Afternoon Story to mark the 50th anniversary of D-Day on 6th June 1994.

To mark the 800th anniversary of Celestine's birth, Pope Benedict XVI proclaimed the Celestine year from 28 August 2009 through 29 August 2010.

* The Folio Society published a limited edition ( 1, 000 copies ) of the Rubáiyát to mark the 150th anniversary.

On 12 April 2010, the military forces of Somalia's autonomous Puntland region staged a military parade to mark the 50th anniversary of Armed Forces Day.

To mark the fiftieth anniversary of the beginning of Vatican II, in October 2011, the Vatican's website and many other Catholic news organizations announced that the Pope Benedict XVI, had made the period from October 2012 to the end of November 2013 ( the Solemnity of Christ the King ) a " Year Of Faith " in a solemn declaration, and ordered all parishes and religious institutions to find some manner during that Year of celebrating and reaffirming the Creed ( there are now two main Creeds-the shorter Apostle's Creed and the lengthier Niceno-Constantopolitan, or Nicene Creed.

Roy Grönneberg, who founded the local chapter of the Scottish National Party in 1966, designed the flag of Shetland in cooperation with Bill Adams to mark the 500 year anniversary of the transfer of the islands from Norway to Scotland.

A limited edition, The Freak Show Special Edition, was released in 2002 to mark their 30th anniversary.

To mark the 20th anniversary of her debut album Little Earthquakes ( 1992 ), Amos is releasing an album of songs from her back catalogue re-worked and re-recorded with the Metropole Orchestra.

In December in Pyongyang, to mark the 20th anniversary of Sun Myung Moon's visit to the DPRK, de jure President Kim Yong-nam hosted the new President in the official residence.

Rumours abounded of a renewal of activity to mark the 30th anniversary of the band's debut as a four-piece and the re-release of Pink Flag.

In 2011, Russia issued a 1, 000 ruble coin ( gold ) and 3 ruble coin ( silver ) to mark the 50th anniversary of his flight.

* August 6 – Hundreds in Hiroshima, Nagasaki, Washington, D. C., and Tokyo mark the 50th anniversary of the dropping of the atomic bomb.

* October 12 – To mark the 400th anniversary Columbus Day holiday, the " Pledge of Allegiance " is first recited in unison by students in U. S. public schools.

Hamlet was performed in the castle for the first time to mark the 200th anniversary of the death of William Shakespeare, with a cast consisting of soldiers from the castle garrison.