The County of Luxembourg was established as a state within the Holy Roman Empire.
The ascension of Luxembourg's monarch, Henry VII, culminates in his becoming Holy Roman Emperor.
Luxembourg came under the rule of the Habsburg dynasty.
Luxembourg was annexed by France during the 18th century.
Luxembourg was restored to its previous status after the defeat of Napoleon.
Luxembourg regained its independence following the Luxembourg Crisis.
The historic city of Luxembourg was declared a UNESCO World Heritage Site.
Luxembourg served on the United Nations Security Council for the first time.