Complex sentence: In 1829 the Wellington government succeeded in passing the Catholic Emancipation Act in 1829, despite defiant royal opposition to the emancipation for U.K. Catholics promised during implementation of the Act of Union in 1801.
Split into simpler sentences: In 1829 the Wellington government finally succeeded in passing the Catholic Emancipation Act, despite defiant royal opposition. Emancipation for U.K. Catholics ore promise during vote for implementation of the Act of Union in 1801.