Malta has a long Christian legacy and its Roman Catholic Archdiocese of Malta is claimed to be an Apostolic See because, according to the Acts of the Apostles, Paul the Apostle was shipwrecked on Malta. Catholicism is the official religion in Malta.alta was awarded the George Cross by King George VI in 1942, for the country's bravery in the Second World War. The George Cross continues to appear on Malta's national flag.