A Royal Salute of 41 rounds fired by the King’s Troop Royal Horse Artillery in Hyde Park to mark the Principal Proclamation of King Charles III (Picture: MOD).
A Royal Salute of 41 rounds fired by the King's Troop Royal Horse Artillery in Hyde Park (Picture: MOD).
HMNB Portsmouth carried out a 21 Gun Salute to mark the proclamation of King Charles III (Picture: MOD).
HMNB Portsmouth carries out a 21-gun salute (Picture: MOD).
HMS Albion conducts a 21 Gun salute to mark the proclamation of King Charles III (Picture: MOD).
HMS Albion conducts a 21-gun salute (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle to mark the Principal Proclamation of His Majesty King Charles III (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM The King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM the King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St. James's Palace (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St James's Palace (Picture: MOD).
The Company of Pikemen and Musketeers parade following King Charles' proclamation (Picture: MOD).
The Company of Pikemen and Musketeers parade (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21 Gun salute at Royal Hillsborough Castle (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21-gun salute at Royal Hillsborough Castle (Picture: MOD).
To mark the proclamation of Charles III becoming King a 21 Gun Salute was conducted at HM Naval Base Devonport by Gunners from HMS Drake, Plymouth (Picture: MOD).
A 21-gun salute was conducted at HM Naval Base Devonport by gunners from HMS Drake, Plymouth (Picture: MOD).
A Royal Salute of 41 rounds fired by the King’s Troop Royal Horse Artillery in Hyde Park to mark the Principal Proclamation of King Charles III (Picture: MOD).
HMNB Portsmouth carried out a 21 Gun Salute to mark the proclamation of King Charles III (Picture: MOD).
HMS Albion conducts a 21 Gun salute to mark the proclamation of King Charles III (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle to mark the Principal Proclamation of His Majesty King Charles III (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM The King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St. James's Palace (Picture: MOD).
The Company of Pikemen and Musketeers parade following King Charles' proclamation (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21 Gun salute at Royal Hillsborough Castle (Picture: MOD).
To mark the proclamation of Charles III becoming King a 21 Gun Salute was conducted at HM Naval Base Devonport by Gunners from HMS Drake, Plymouth (Picture: MOD).
King Charles

In pictures: How the military marked King Charles' proclamation

A Royal Salute of 41 rounds fired by the King’s Troop Royal Horse Artillery in Hyde Park to mark the Principal Proclamation of King Charles III (Picture: MOD).
A Royal Salute of 41 rounds fired by the King's Troop Royal Horse Artillery in Hyde Park (Picture: MOD).
HMNB Portsmouth carried out a 21 Gun Salute to mark the proclamation of King Charles III (Picture: MOD).
HMNB Portsmouth carries out a 21-gun salute (Picture: MOD).
HMS Albion conducts a 21 Gun salute to mark the proclamation of King Charles III (Picture: MOD).
HMS Albion conducts a 21-gun salute (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle to mark the Principal Proclamation of His Majesty King Charles III (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM The King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM the King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St. James's Palace (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St James's Palace (Picture: MOD).
The Company of Pikemen and Musketeers parade following King Charles' proclamation (Picture: MOD).
The Company of Pikemen and Musketeers parade (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21 Gun salute at Royal Hillsborough Castle (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21-gun salute at Royal Hillsborough Castle (Picture: MOD).
To mark the proclamation of Charles III becoming King a 21 Gun Salute was conducted at HM Naval Base Devonport by Gunners from HMS Drake, Plymouth (Picture: MOD).
A 21-gun salute was conducted at HM Naval Base Devonport by gunners from HMS Drake, Plymouth (Picture: MOD).
A Royal Salute of 41 rounds fired by the King’s Troop Royal Horse Artillery in Hyde Park to mark the Principal Proclamation of King Charles III (Picture: MOD).
HMNB Portsmouth carried out a 21 Gun Salute to mark the proclamation of King Charles III (Picture: MOD).
HMS Albion conducts a 21 Gun salute to mark the proclamation of King Charles III (Picture: MOD).
Reservists from 104 Regiment Royal Artillery fire a 21-gun salute at Cardiff Castle to mark the Principal Proclamation of His Majesty King Charles III (Picture: MOD).
Soldiers of 4 Regiment Royal Artillery marked the proclamation of HM The King with a 21-round gun salute in York Museum Gardens (Picture: MOD).
State Trumpeters at The Principal Proclamation of King Charles III at St. James's Palace (Picture: MOD).
The Company of Pikemen and Musketeers parade following King Charles' proclamation (Picture: MOD).
The reservists of 206 (Ulster) Battery, Royal Artillery mark the official proclamation in London of Charles III as King with a 21 Gun salute at Royal Hillsborough Castle (Picture: MOD).
To mark the proclamation of Charles III becoming King a 21 Gun Salute was conducted at HM Naval Base Devonport by Gunners from HMS Drake, Plymouth (Picture: MOD).

The Armed Forces have marked the proclamation of King Charles III as the new Head of State.

At St James's Palace, The Band of the Coldstream Guards, alongside eight State Trumpeters from the Household Cavalry, played God Save the King after the proclamation was read out. 

Gun salutes have been fired all around the United Kingdom.

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