Modern Nepal is an amalgamation of a number of
principalities, which had independent entities in the past. From
one of these small kingdoms, Gorkha, Where the kings of the Shah
dynasty ruled, King Prithvi Narayan Shah set out to unity Nepal.
In 1768, he defeated Malla kings who ruled Kathmandu Valley. Nepal
has been ruled by Shah kings ever since. His Majesty King Birendra
Bir Bikram Shah Dev is the eleventh King in the Shah dynasty. King
Birendra ascended the throne after his father's death in 1972, but
his coronation took place on an auspicious date in February 1975 .