The Reformed Church is Protestant, I believe.
Protestants believe good works alone cannot gain you salvation.
Reformed Anglican Catholic Church was created in 2004.
Reformed Catholic Church - Venezuela - was created in 2008.
Reformed Liberal Catholic Church was created in 1999.
The Catholic Church is perpetually in a state of reform & renewal. Or, possibly the term: reformed catholic church is an indirect reference to the Protestant Reformation since the term: catholic church is not capitalized?
They use the Old Catholic Church, the Catholic Church, and the Swiss Reformed Church.
The main differences between tradition church and a evangielical church is that the tradition church are happy with the same congregation, the other churches go and invite people to their services.
Vatican II.
Henry VIII never spit form the Church. He reformed the church, making it suit him better. He allowed Protestant beliefs to spread through England because he appointed himself head of the church. He was born a Catholic and died a Catholic. Hope his helped.
United Reformed
The Roman (or Latin) Church is one of several rites united under the banner of Catholicism. The Byzantine Catholic Rites and Maronites are other examples. All recognize the pope as the leader of the Church and have the same beliefs and doctrines of the Catholic Church.
There have been untold leaders that have reformed the Catholic Church in the past 2,000 years. The very nature of the Church is to be reformed as it is composed entirely of sinners (saving Our Blessed Lord, and His Mother). So to get a specific answer to your question, you are going to have to narrow it down to a time period, and perhaps a country.
There were a few things that the catholic church reformed. One of the main things they did were created new religious orders.