The stamp issued in 1990
by Zaire to commemorate the 150th anniversary of Belgian independence.
At the Congress of Vienna,
in 1815, Belgium and Holland were united to form one State, ruled by
King William I. The Belgian Catholics objected to the union with Dutch
Protestants. Revolution erupted in Brussels in 1830 and a provisional
government declared independence on October 4, 1830. On November 3 a
National Congress was elected and the congress adopted a constitution
on February 7, 1831. Leopold I of Saxe-Coburg became the first King of
the Belgians (1831-1865).
The map of Africa on the stamp is unidentified and is