Dashed left edge = started before April 1818 ·
Dashed right edge = ongoing beyond April 1818
Events in April 1818 2
1818 – 1906Christian IXFather-in-Law of EuropeHis children married into almost every major royal family, including the British, Russian, and Greek houses.
1818 – 1881Alexander IIThe LiberatorThe most beloved Russian Tsar in Finland; his statue still stands in Helsinki Senate Square for his liberal reforms.