Christianity

Christianity is an Abrahamic monotheistic religion that believes Jesus is the Son of God and rose from the dead after his crucifixion. It is the world's largest religion, with over 2.3 billion followers around the globe. Christians believe that Jesus came as a messiah, which was prophesied in the Old Testament and told in the New Testament.

The faith began in the 1st century after Jesus' death, starting as a small group with Hellenistic influence in the area of Judaea. Over time, it spread across the Eastern Mediterranean despite facing significant persecution. Important moments in its history include the Edict of Milan in 313 AD, which allowed Christians to practice freely, and the Council of Nicaea in 325 AD, which helped shape early Christian beliefs.

Today, Christianity has three main branches: Catholicism, Protestantism, and Eastern Orthodoxy. It has greatly influenced Western civilization, especially in Europe. While the number of Christians is decreasing in some places, it is growing strongly in Africa and Asia. Unfortunately, Christians still face challenges in some parts of the world where they are a smaller group.

Etymology

Further information: Christ (title)

Early followers of Jesus called themselves "The Way." This name may have come from a verse in the book of Isaiah, which speaks about preparing a path for the Lord. The word "Christian" was first used in the city of Antioch to describe people who followed Jesus. This term means "followers of Christ." The use of the word "Christianity" to describe this belief also dates back to very early times. The name Jesus comes from ancient languages, and it has roots in Hebrew and Aramaic words.

History

Christianity began as a small group of Jewish followers of Jesus in the 1st century AD. They believed Jesus was the Son of God and had risen from the dead. These early Christians were mostly Jewish and met in Jerusalem, waiting for Jesus to return.

As the message about Jesus spread, more people who were not Jewish began to join. A leader named Paul traveled widely, teaching that anyone could become a Christian through faith in Jesus, not just by following Jewish laws. Over time, Christianity grew and developed its own beliefs and practices, becoming distinct from Judaism.

In the centuries that followed, Christianity spread throughout the Roman Empire and beyond. Leaders called Church Fathers wrote about Christian beliefs, and councils were held to decide important doctrines. Christianity faced challenges, including periods of persecution by Roman rulers, but it also gained support from powerful leaders like Emperor Constantine. As Christianity grew, it influenced art, culture, and the way people lived their lives across Europe and the Mediterranean world.

Beliefs

Christians around the world share core ideas but interpret them differently. They base their beliefs on the Bible and sacred traditions. Christianity includes many theological views, ranging from conservative to liberal perspectives.

Creeds

Main articles: Christian creed and List of Christian creeds

Creeds are short statements that explain key beliefs. They started as simple phrases used during baptism and grew into important declarations of faith. One of the earliest creeds is "Jesus is Lord," still used today by groups like the World Council of Churches.

The Apostles' Creed is widely accepted and used by many Christian denominations. It covers beliefs about God the Father, Jesus Christ, and the Holy Spirit. It also speaks of Jesus' life, death, and return.

Jesus

Main articles: Jesus in Christianity and Christ (title)

See also: Incarnation (Christianity) and Jesus in comparative mythology

Christians believe Jesus is the Son of God and the Messiah. They think he was sent to save people and that his life fulfilled ancient prophecies. Important Christian beliefs include Jesus being both fully human and fully divine, suffering like humans, and then rising from the dead.

Death and Resurrection

Main articles: Crucifixion of Jesus and Resurrection of Jesus

Christians see Jesus' death and resurrection as the most important events. According to their teachings, Jesus was crucified, died, was buried, and then came back to life three days later. His resurrection shows he has power over life and death and offers the hope of eternal life to believers.

Salvation

Main article: Salvation in Christianity

Different Christian groups have various views on how people can find salvation. Some believe it is a gift from God, while others think faith and good actions are important. All agree that Jesus' life and teachings are central to finding salvation.

Trinity

Main article: Trinity

The Trinity is the belief that one God exists as three persons: the Father, the Son (Jesus Christ), and the Holy Spirit. These three are fully God but are distinct in their roles. This idea is a key part of most Christian beliefs.

Eschatology

Main article: Christian eschatology

Christians have different ideas about what will happen at the end of time. Many believe that Jesus will return, that all people will be raised from the dead, and that there will be a final judgment. Beliefs about what happens after death vary among different Christian groups.

Practices

Main articles: Christian worship and Church service

See also: Mass (liturgy), Reformed worship, and Contemporary worship

Christian practices vary depending on the specific group, but often include important rituals like baptism, sharing a special meal called the Eucharist, and prayer. Many Christian groups have leaders called clergy who guide regular gatherings for worship.

These gatherings usually follow a set pattern. People come together, often on Sundays, to read from important books called the Old and New Testaments, especially stories about Jesus. There is often a talk or teaching based on these readings. The group may also sing songs, say prayers together, and share in a special meal remembering Jesus' last meal with his followers. This meal, known as the Eucharist, includes bread and wine or juice, symbolizing important meanings for Christians.

Scriptures

Main articles: Bible, Biblical canon, Development of the Christian biblical canon, and Religious text

Christianity teaches that the Bible, made up of the Old and New Testaments, is the inspired word of God. Many believe that the Bible is completely true, while others think it may have small errors in areas like history or science, but still guides people to live a good life.

Different Christian groups may interpret the Bible in various ways. Some believe only the Bible should guide their beliefs, while others also look at church traditions and personal experiences. Many think the Bible is clear enough for anyone to understand its main messages.

Demographics

See also: Christendom and Christian state

Christianity is the world's largest religion, with about 2.3 billion followers. This means around 28.8% of all people around the world identify as Christian. The three main branches of Christianity are Catholic, Protestant, and Eastern Orthodox.

Many countries have large Christian populations. The United States, Brazil, Mexico, the Philippines, and Russia each have over 100 million Christians. Other countries with big Christian communities include Nigeria, Congo, Ethiopia, South Africa, and Italy. By 2050, the number of Christians is expected to grow to more than 3 billion, partly because of higher birth rates and people choosing to become Christians in parts of the world like Africa and Asia.

Churches and denominations

Christianity is divided into several main groups: Catholicism, Protestantism, and Eastern Orthodoxy. Other groups include Oriental Orthodoxy, Restorationism, and the Church of the East. These groups have different beliefs and practices, but most Christians share the belief that Jesus is the Son of God and that he rose from the dead.

The Catholic Church is the largest Christian group, with over a billion members worldwide. It is led by the pope in Rome and has a rich tradition of rituals and teachings. The Eastern Orthodox Church is also very old and has a strong presence in Eastern Europe and parts of the Middle East. Protestantism began in the 16th century with Martin Luther and has many different branches today, including Lutherans, Baptists, and Methodists, among others. Each of these groups has its own unique history and way of practicing Christianity.

Cultural influence

Main articles: Christian culture and Role of Christianity in civilization

Further information: Protestant culture and Christian influences in Islam

Christianity has shaped many parts of history for about 1,700 years. It has influenced art, architecture, literature, science, and technology. The Bible, a very important book for Christians, has had a big effect on Western culture and many other places around the world. It has helped form laws, art, education, and many other areas of life.

Christians have made many important contributions to progress in many fields like science, medicine, art, music, and more. They have also helped start universities and hospitals. In recent years, many Christians have become more involved in taking care of the environment, believing it is important to protect the Earth.

Ecumenism

Main article: Ecumenism

Christian groups have worked together for many years to become closer. In the 1900s, this happened in two ways. One way was more teamwork between groups, like the World Evangelical Alliance, started in 1846, or the Edinburgh Missionary Conference in 1910. Another way was combining churches into one. For example, churches in Canada joined in 1925, and churches in Australia joined in 1977.

The Christian Flag was made to stand for all of Christianity. Many Christian groups agree on important teachings, shown in The Common Catechism. Some communities, like the Taizé Community in France, bring together people from different Christian traditions to work for peace. Big steps toward unity were taken when different church leaders forgone old disagreements.

Criticism, persecution, and apologetics

Main articles: Criticism of Christianity, Persecution of Christians, and Christian apologetics

See also: Anti-Christian sentiment

People have questioned and disagreed with Christianity for many years. Early critics included Jewish leaders and Greek philosophers who challenged Christian beliefs and practices. Over time, different thinkers and leaders have offered reasons why they do not agree with Christian teachings.

Sadly, many Christians around the world face unfair treatment and danger because of their faith. This happens in many places, and many believers face challenges just for following their beliefs. Some people work hard to explain and defend Christianity, using reasons and arguments to show why they believe it is true. These efforts have taken many forms throughout history, from ancient writings to modern discussions about science and religion.