On June 3, 1886, one of the most significant events in Uganda's history unfolded at Namugongo when a group of Christian converts serving in the court of Kabaka Mwanga II were executed for refusing to abandon their faith.
What began as a royal punishment became a defining moment in the religious history of Uganda and later inspired one of Africa's largest annual pilgrimages.
Historical accounts from Catholic missionary Fr Siméon Lourdel, widely known as Mapeera, and Anglican missionary Alexander Mackay provide the most detailed contemporary descriptions of the events.
Their records, together with later testimonies collected during the Catholic Church's canonisation process, paint a picture of a carefully organised execution carried out on a Thursday morning and afternoon.
By around 9am, the condemned prisoners were brought out of their temporary confinement.
According to the accounts preserved by the Church, the chief executioner Mukaajanga oversaw the proceedings while Ssenkoole, the guardian of the royal sacred flame, exercised a traditional privilege to claim one victim before the mass execution began. His choice was Charles Lwanga, the leader of the Catholic converts.
Separated from the others, Lwanga was taken a short distance away and ordered to prepare his own firewood. Witness testimonies later recorded during the canonisation process state that he remained calm throughout his ordeal. He was tied to a pyre and burned separately, dying before the larger execution took place.
Around midday, the remaining prisoners were brought to the main execution site on the Namugongo ridge. The group included Catholic and Anglican converts, alongside several individuals condemned for non-religious offences. They were bound tightly in papyrus reeds and laid upon a massive stack of firewood before more timber was piled on top.
Rather than pleading for mercy or cursing their fate, many of the condemned reportedly prayed aloud and sang Christian hymns in Luganda.
According to accounts collected by both Catholic and Anglican missionaries, the executioners attempted to drown out the prayers by beating royal drums and shouting traditional chants.
By late afternoon, the execution was complete. Under Buganda's customs, those condemned for treason were not entitled to formal burial, and their remains were left at the site. Months later, Christians are said to have secretly recovered relics associated with Charles Lwanga and delivered them to the Catholic mission.
The significance of June 3 grew steadily over the decades. On June 6, 1920, Pope Benedict XV beatified the 22 Catholic martyrs. Among those present in Rome was Denis Kamyuka, one of the few pages who had been marched to Namugongo but escaped execution.
The martyrs' status was elevated further on October 18, 1964, when Pope Paul VI canonised them as saints, giving the Uganda Martyrs worldwide recognition within the Catholic Church.
Pilgrimages to Namugongo began on a small scale in the early twentieth century, encouraged by missionaries and local Christians who retraced the route taken by the condemned pages. What started as a modest act of remembrance gradually expanded into a national tradition.
The turning point came in 1969 when Pope Paul VI became the first reigning pope to visit sub-Saharan Africa. During his visit to Uganda, he blessed the altar stone for the new shrine at Namugongo, helping elevate the site's international profile.
In the years that followed, June 3 was formally recognised as a national public holiday, now known as Uganda Martyrs' Day.
Today, millions of pilgrims from Uganda, Kenya, Tanzania, Rwanda and beyond make the journey to Namugongo each year. They gather not only to remember the young men who died there in 1886, but also to reflect on a moment that transformed Uganda's religious landscape and left a legacy that endures 140 years later.