In Russia and elsewhere in the former Soviet Union where there was no freedom of religion before 1990, megachurches have helped spread evangelical Christianity. Most of these congregations were established in the early 1990s. They are all located in large cities. Most megachurches in Russia are registered with a larger Pentecostal denomination, but they have many daughter churches and function as centres of their own denominations. The founding pastors are generally still the leaders of the congregations. The congregations support music and educational ministries and ministries to people on the margins of society. Contemporary worship styles are the norm and small group meetings are of central importance.