The queen had an accumulation, Meghan wore one – and Kate had a poppy brooch with a personal meaning that perhaps few on the cenotaph noticed on Sunday.
The Code Knocker's Poppy is a poignant homage to her grandmother, Valerie Glassborow, who worked in Signal Recognition at Bletchley Park during the war.
There, the teams worked tirelessly to crack German codes and give the Allied troops the best possible chance of victory.
Kate's brooch, with its back "so we do not forget," was released earlier this year to honor the 13,000 men and women on the Bletchley Park honor card.
The Duchess of Cambridge stood beside the Queen, watching as kings, politicians and members of the armed forces laid poppies at the base of the cenotaph.
In a rare show of emotions, the queen was seen wiping away a tear shortly after Prince Charles pays homage to her.
Prince Charles was followed by the Duke of Cambridge, the Duke of Sussex, the Duke of York, the Earl of Wessex, the Princess Royal and the Duke of Kent at the Wreath Laying in Whitehall, Central London.
A stable master hired one on behalf of the Duke of Edinburgh, who withdrew in 2017 from the royal duties.
Meghan, the Duchess of Sussex, wore a wide-brimmed black hat as she watched the event from a balcony with Sophie, the Countess of Wessex, and Vice Admiral Sir Tim Laurence.
The Royals were joined by British leaders when Boris Johnson and Labor leader Jeremy Corbyn set aside their differences to stand side by side and pay tribute. Mr. Johnson seemed to make a mistake when he turned his wreath upside down.
Crowds watched a two-minute silence as Big Ben struck around 11:00.
The nation will today hold another minute of silence dating back 100 years since the first truce on November 11, 1919.
For the first time, the Nepalese Ambassador placed a wreath to honor the role of the Gurkha regiments in Britain's military campaigns over 200 years.
Foreign Minister Dominic Raab and Minister of the Interior Priti Patel laid wreaths for the secret services for the first time on the occasion of the 100th anniversary of GCHQ and the 110th anniversary of MI5 and MI6. After the ceremony, up to 10,000 veterans and soldiers marched past the cenotaph to honor the fallen. The capital event took place as people across the country came into force to pay respect to the nation's veterans.
In Dover, Kent, the white cliffs were doused with 750,000 poppies dropped from a World War II Dakota plane flanked by two spitfires.
Hundreds of thousands of British soldiers returning from Dunkirk in 1940 were welcomed to the district's famous cliff. Five veterans, including RAF soldiers who served in World War II, were on the run to monitor the poppy fall.
The 94-year-old great-grandfather Roy Briggs, a veteran World War II Warrant Officer, said he had spent the flight thinking of a Lancaster crew he knew and who lost their lives on a mission.
He said, "I'm 94 and they're still 20 and 21. They'll never be anything else to me." In Doncaster, South York, paratrooper Ben Parkinson, Britain's worst-injured soldier, laid a wreath at the commemoration ceremony on Sunday.
34-year-old Lance Bombardier Parkinson lost both legs and suffered brain damage when the armored Land Rover he was traveling in hit a mine in Helmand province in 2006.
SNP Chairman Nicola Sturgeon led memorial services at the Stone of Remembrance in Edinburgh City Chambers. And players and fans fell silent on soccer fields across the country before the games started.
Despite snow, ice and minus degrees, a wreath and a cross were placed on top of Mount Snowdon. The wreath was dedicated to Sgt. Major Mike Williams of Caerphilly, South Wales, who was killed in 2008 in Afghanistan.