A municipal worker washes a ceramic reproduction of Spanish artist Pablo Picasso’s Guernica, in the Basque town of Guernica, northern Spain. This year marks the 80th anniversary of the mural, painted in 1937 following the aerial bombing of the town by German and Italian aviation allied to Nationalist forces led by General Franco. Photo Vincent West/Reuters
David Bowie fan Clive poses for a photograph near a mural of the singer in Brixton, south London on the first anniversary of his death. Photo Stefan Wermuth/Reuters
Iraqi policemen march during a ceremony to mark the 95th anniversary of the creation of the Iraqi police at the Shaabiyah training camp in the southern city of Basra. Photo AFP/Getty Images
A person touches a portrait of an activists during a memorial ceremony devoted to the third anniversary of the Euromaidan, in Kiev on Monday. Picture AFP/Getty Images
Chung Sung-Jun/Getty Images
South Korean soldiers wear North Korea’s military uniforms and hold North Korea’s flags, acting as North Korean soldiers, as they take part in a re-enactment the battle of the Korean war during a commemorative war victory event to mark the 66th anniversary of the Korean war
An aerial view of the Statue of Liberty. New York City is preparing to mark the 15th anniversary of the September 11 terrorist attacks
Members of the Association of Mineworkers and Construction Union (AMCU) dance and sing around Wonderkop Hill during the 4th anniversary of the Marikana shooting in Rustenburg, South Africa. Police forces shot dead 34 miners from the Lonmin mine four years ago after a protracted strike in the mining sector. Relatives and fellow miners gather at Wonderkop hill each year to remember those who died and were wounded.
Indian schoolchildren hold masks bearing the image of former Indian president A.P.J Kalam ahead of the first anniversary of his death during a remembrance event at a school in Chennai
Ben Birchall/PA Wire
The largest mechanical puppet ever built in Britain, Cornish Man Mining Engine, is unveiled in Tavistock. The epic 10 metre-high Cornish Man Mining Engine marks the 10th anniversary of the Cornwall and West Devon mining landscape being added to the UNESCO list of World Heritage Sites.
Russian President Vladimir Putin lays flowers during a wreath-laying ceremony in the Alexander Garden near the Kremlin wall in Moscow to mark the 75th anniversary of the Nazi German invasion into the then Soviet Union territory on 22 June 1941
Indian dancers perform a fire breathing act during a procession to mark the 661st anniversary of the birth of Hindu guru Bawa Lal Dayal Maharaj in Amritsar
Ishara S. Kodikar/AFP
Sri Lankan military personnel march during an Independence Day parade rehearsal in Colombo. Sri Lanka is preparing to mark the 68th anniversary of independence from Britain on Thursday
Iranian demonstrators carry banners and national flags outside the former US embassy in the Iranian capital Tehran on Wednesday, during a demonstration marking the anniversary of its storming by student protesters that triggered a hostage crisis in 1979
William West/AFP/Getty Images
People release 88 doves as political leaders and families of victims of the Bali bombings gathered on Sydney’s Coogee Beach to mark the 13th anniversary of the terrorist attack that killed 88 Australians.
A man jogs past a row of American flags that have been lowered to half staff on the Washington Monument grounds, near the US Capitol Hill. Friday marks the fourteenth anniversary of the September 11, 2001 attacks when terrorists high jacked airliners and flew them in the World Trade Center and the Pentagon.
Kazakh women wearing traditional costumes play on a swing during celebrations marking the 550th anniversary of Kazakh statehood in central Astana
People gather at the “Tribute in Light” in Lower Manhattan, New York, September 9, 2015. The tribute was lit two days ahead of the 14th anniversary of the 9/11 terrorist attacks
A female militia phalanx attends a grand ceremony marking the 50th anniversary of the founding of the Tibet Autonomous Region at the square of the Potala Palace in Lhasa, capital of southwest China’s Tibet Autonomous Region on Tuesday
Greg baker/AFP/Getty Images
Doves fly above members of the audience at the end of a military parade at Tiananmen Square in Beijing to mark the 70th anniversary of victory over Japan and the end of World War II. China kicked off a huge military ceremony marking the 70th anniversary of Japan’s defeat in World War II on September 3, as major Western leaders
Demonstrators, marking the one-year anniversary of the shooting of Michael Brown, protest along West Florrisant Street in Ferguson, Missouri. Mare than 100 people were arrested today during protests in Ferguson and the St. Louis area.