Complex sentence: The first Act was partly repealed in 1686, when Episcopalianism was briefly in ascendancy within the Kirk, and the second Act was partly repealed in 1712, by The Vacance Act of the Westminster parliament.
Split into simpler sentences: The first Act was partly repealed in 1686, when Episcopalianism was briefly in ascendancy within the Kirk. The second Act was partly repealed in 1712, by The Vacance Act of the Westminster parliament.