When was primogeniture rules abolish?

Primogeniture, the legal right of the firstborn child to inherit the family estate, has been abolished in various countries at different times. In England, for instance, primogeniture was effectively ended with the passage of the Inheritance Act of 1975, which allowed for more equitable distribution of estates. Other countries have abolished similar practices at different points in the 20th century as part of broader legal reforms aimed at gender equality and social justice. The exact timeline can vary widely depending on the jurisdiction.