Solemn services have been held around the world to mark Anzac (Australian and New Zealand Army Corps) Day. The Duke and Duchess of Cambridge attended a ceremony at the Australian War Memorial in Canberra marking the 99th anniversary of the ill-fated Allied troop landing on Turkey's Gallipoli Peninsula.

In London, dawn services were held at the Australian and New Zealand War Memorials at Hyde Park Corner.

IBTimesUK presents some of the most powerful photographs of this morning's services from around the world.

A veteran wearing service medals bows his head in the rain during a service to mark Anzac Day in Sydney. Australia and New Zealand marked the 99th anniversary of the first major military action involving their forces during the First World War
A veteran wearing service medals bows his head in the rain during a service to mark Anzac Day in Sydney. Australia and New Zealand marked the 99th anniversary of the first major military action involving their forces during the First World WarReuters
A war veteran makes his way down Bathurst Street in Sydney during the Anzac Day parade
A war veteran makes his way down Bathurst Street in Sydney during the Anzac Day paradeGetty
A boy holds his relative's army hat as he participates in the annual Anzac Day march through Sydney
A boy holds his relative's army hat as he participates in the annual Anzac Day march through SydneyReuters
A veteran protects his medals from the rain during the Anzac Day parade in Sydney
A veteran protects his medals from the rain during the Anzac Day parade in SydneyGetty
Spectators gather on Sydney's George Street to cheer servicemen and war veterans during the Anzac Day parade
Spectators gather on Sydney's George Street to cheer servicemen and war veterans during the Anzac Day paradeGetty
A veteran takes part in the Anzac Day parade on Bathurst Street in Sydney
A veteran takes part in the Anzac Day parade on Bathurst Street in SydneyGetty
The faces of servicemen are projected onto a wall in Martin Place, Sydney, during a dawn service
The faces of servicemen are projected onto a wall in Martin Place, Sydney, during a dawn serviceGetty
A former soldier takes part in a dawn service in Christchurch, New Zealand
A former soldier takes part in a dawn service in Christchurch, New ZealandGetty
Soldiers take part in a dawn service at the cenotaph in Wellington, New Zealand
Soldiers take part in a dawn service at the cenotaph in Wellington, New ZealandGetty
Crowds gather at the cenotaph in Auckland, New Zealand
Crowds gather at the cenotaph in Auckland, New ZealandGetty
Members of the Mudgeeraba light horse troop take part in a dawn service to mark Anzac Day at Currumbin Surf Life Saving Club on Australia's Gold Coast
Members of the Mudgeeraba light horse troop take part in a dawn service to mark Anzac Day at Currumbin Surf Life Saving Club on Australia's Gold CoastGetty
Members of the Albert Battery fire their rifles to welcome the dawn at Currumbin Surf Life Saving Club
Members of the Albert Battery fire their rifles to welcome the dawn at Currumbin Surf Life Saving ClubGetty
A woman cries during a dawn service at Currumbin Surf Life Saving Club on the Gold Coast, Australia
A woman cries during a dawn service at Currumbin Surf Life Saving Club on the Gold Coast, AustraliaGetty
A member of the Mudgeeraba light horse troop takes part in the Anzac dawn service at Currumbin Surf Life Saving Club
A member of the Mudgeeraba light horse troop takes part in the Anzac dawn service at Currumbin Surf Life Saving ClubGetty
The Duke and Duchess of Cambridge place poppies into the World War One Wall of Remembrance at the Australian National War Memorial in Canberra
The Duke and Duchess of Cambridge place poppies into the World War One Wall of Remembrance at the Australian National War Memorial in CanberraReuters
The Duke and Duchess of Cambridge look at the poppy-lined World War I Wall of Remembrance during their visit to the Australian War Memorial in Canberra
The Duke and Duchess of Cambridge look at the poppy-lined World War I Wall of Remembrance during their visit to the Australian War Memorial in CanberraGetty
Prince William and Kate Middleton lay wreaths at the Tomb of the Unknown Soldier during their visit to the Australian National War Memorial in Canberra
Prince William and Kate Middleton lay wreaths at the Tomb of the Unknown Soldier during their visit to the Australian National War Memorial in CanberraReuters
Images of Australian servicemen are projected onto the facade of the Australian National War Memorial in Canberra
Images of Australian servicemen are projected onto the facade of the Australian National War Memorial in CanberraReuters
Wreaths are laid at the Australian War Memorial at Hyde Park Corner during a dawn remembrance service
Wreaths are laid at the Australian War Memorial at Hyde Park Corner during a dawn remembrance serviceMatthew Lloyd/Getty Images
The Haka is performed during a dawn service in front of the New Zealand War Memorial at Hyde Park Corner, London
The Haka is performed during a dawn service in front of the New Zealand War Memorial at Hyde Park Corner, LondonMatthew Lloyd/Getty Images
A bugler sounds the Last Post on top of Wellington Arch
A bugler sounds the Last Post on top of Wellington ArchMatthew Lloyd/Getty Images
A couple embrace during a dawn remembrance service at Wellington Arch
A couple embrace during a dawn remembrance service at Wellington ArchMatthew Lloyd/Getty Images
People mourn during a dawn Anzac Day service in Canakkale, Turkey, on the 99th anniversary of the ill-fated Gallipoli landings
People mourn during a dawn Anzac Day service in Canakkale, Turkey, on the 99th anniversary of the ill-fated Gallipoli landingsAFP
Members of an Ottoman military band attend a ceremony celebrating the 99th anniversary of Anzac Day in Canakkale, Turkey
Members of an Ottoman military band attend a ceremony celebrating the 99th anniversary of Anzac Day in Canakkale, TurkeyAFP
Two Australian soldiers attend a dawn service at the Australian National Memorial in Villers-Bretonneux, northern France
Two Australian soldiers attend a dawn service at the Australian National Memorial in Villers-Bretonneux, northern FranceReuters
The shadows of Australian soldiers are cast on a monument to fallen soldiers at the Australian National Memorial in Villers-Bretonneux, northern France
The shadows of Australian soldiers are cast on a monument to fallen soldiers at the Australian National Memorial in Villers-Bretonneux, northern FranceReuters
An Australian soldier bows his head at the Australian National Memorial in Villers-Bretonneux, northern France
An Australian soldier bows his head at the Australian National Memorial in Villers-Bretonneux, northern FranceReuters