Which religion or philosophy was founded before a. d 400?

The following are the locale established before 400 AD: 
Hinduism - created from the religion that the Aryans conveyed to India with them in around 1500 BC. Its convictions and practices depend on the Vedas, a gathering of psalms (thought to allude to real recorded occasions) that Aryan researchers had finished by around 800 BC. 
Buddhism - a definitive objective of a Buddhist is to achieve the condition of edification (Nirvana) and free oneself from interminable resurrection and enduring. 
Christianity - it is the world's greatest religion, with around 2.1 billion adherents around the world. 
Islam - Islam started in Arabia and was uncovered to humankind by the Prophet Muhammad. The individuals who take after Islam are called Muslims. Muslims trust that there is just a single God. 
Confucianism - created in China by Master Kong in 551-479 BC, who was given the name Confucius by Jesuit ministers who were going there. Be that as it may, the key standards of Confucianism started before his introduction to the world, amid the Zhou Dynasty.