The Duchy of Carinthia 976 — Emperor Otto II created the new Duchy of Carinthia and reverted the possession of the territories to the Luitpoldings, by installing Henry the Younger as first duke in 976.
Photo Credit: CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=14581399

Coat of arms of Carinthia —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=765893

Otto I of Carinthia —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=8303443

The church of St Gaugericus — Saint Gaugericus of Cambrai built a chapel on Saint-Géry Island around the year 580.
Saint-Géry is French for Saint Gaugericus
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=49034353

Map of Brussels in 1837 — Saint-Géry Island is highlighted in red, the Brussels Stock Exchange is superimposed in green. North is roughly to the right.
Photo Credit: By Society for the Diffusion of Useful Knowledge (Great Britain) - Public Domain, https://commons.wikimedia.org/w/index.php?curid=3011543

Saint Géry —
Photo Credit: By King Baudouin Foundation, photo: Philippe de Formanoir, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=76206627

A 19th-century portrait of Duke Charles —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=8072580

Lotharingia in 977 — Green: Lower (Northern) Lotharingia Orange: Upper (Southern) Lotharingia
Photo Credit: By Joostik - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=18663669

Couronnement d'Hugues Capet (941-996) en 987 — Enluminure d'un manuscrit du 13e ou 14e siècle, BnF, Paris.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=71214598

Arnulf at the Council of Reims, 991 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=14533939

Pope John XV — Basilica of Saint Paul Outside the Walls, Rome
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=42553973