Fourth Monday of Advent
22 December 2025
O Rex Gentium — O King of the Nations
As we approach the final days before Christmas,
the Church gives us another name for the One who is coming:
O Rex Gentium — O King of the Nations.
This title would have sounded surprising,
perhaps even unsettling to Israel.
Kingship in the ancient world was associated with power, armies, borders, and domination.
Kings ruled over people.
They enforced order by strength.
And yet the kingship God reveals throughout Scripture looks very different from that.
Today’s readings help us understand what kind of King Jesus truly is…
and what kind of kingdom He comes to establish.
The first reading takes us to the story of Hannah,
a woman who had known deep suffering.
She was childless, humiliated, and misunderstood.
Yet she entrusted her pain to God
and, when her prayer was answered,
she did something remarkable:
she gave her son Samuel back to the Lord.
In Jewish tradition,
this is not just a personal act of devotion…
it is deeply political and theological.
Samuel will become the prophet who anoints Israel’s first kings. Hannah’s prayer and sacrifice stand at the very beginning of Israel’s monarchy.
But notice how God’s kingship enters history here:
not through conquest,
not through force,
but through the faith of a suffering woman.
That pattern prepares us for the Gospel.
Mary’s Magnificat echoes Hannah’s song almost word for word. Any Jewish listener would have recognized the connection immediately.
Mary stands in the line of Israel’s faithful poor…
those who trust God
when power is not on their side.
And what does Mary proclaim?
That God scatters the proud,
pulls down the mighty,
and lifts up the lowly.
This is not poetic exaggeration.
It is a declaration of how God rules.
When we call Jesus King of the Nations,
we are not saying that He rules like earthly kings do.
We are saying that His authority reshapes what power itself means.
In the Jewish Scriptures,
the true king is not the one who dominates,
but the one who serves God’s justice.
Israel’s kings were judged
not by their success,
but by their care for the poor, the widow, the orphan, and the stranger.
Mary announces that in her Son,
that kingship finally arrives…
not symbolically,
but decisively.
Jesus is King
not because He takes power,
but because He gives Himself away.
That is why the O Antiphon today speaks of Christ as the cornerstone who unites all peoples into one.
He does not rule by dividing nations against one another,
but by gathering them into communion.
This matters deeply for Advent.
Because we live in a world still shaped by competing powers,
rival loyalties, and fear-driven authority.
We are tempted to place our hope in strong personalities, political systems, or cultural dominance.
Advent gently but firmly redirects us.
The King who comes does not demand allegiance through force. He invites it through mercy.
Mary shows us how to receive that King.
She does not claim status.
She magnifies the Lord.
She does not cling to power.
She allows God to work through her humility.
And this is where the title King of the Nations becomes personal.
Jesus does not wish only to reign over the world in the abstract. He desires to reign within us:
over our decisions, our fears, our ambitions, our loves.
To call Him King is to allow Him to reorder our lives according to God’s justice:
- where mercy matters more than winning
- where faithfulness matters more than success
- where love matters more than control
the Church places this title on our lips
so that we can ask honestly:
Who truly rules my heart?
What kingdom am I living for?
Whose values shape my choices?
The King of the Nations is coming.
Not on a throne of gold.
But in the humility of a child.
Not to overpower the world.
But to save it.