Year 622 AD is the year of prophet Muhammad (PBUH) Immigration (or Hijra) from Mecca to Yathrib (later called Medina) per God command to him and upon God information to him that the Meccas unbelievers planned to assassinate him. This year marked the start of the Islamic Hijra Lunar Calendar year.
In year 622 AD.
The year 622 in the Islamic calendar marks the migration of Prophet Muhammad from Mecca to Medina, known as the Hijra. This event is significant as it symbolizes the beginning of the Islamic era and the establishment of the first Muslim community. Muslims use the Hijri calendar to mark their religious events and practices.
He was born in year 570 Ad and left Makkah (or Mecca) to Medina in year 622 AD. So, he was 52 years old.
622
There were no Muslims in 622 BC. Perhaps you mean AD 622, which Muslims think of as the Year One. Since they were at that point confined to the Arabian Peninsula, their dress would have been pretty much the dress of the desert people in that region today: a long inner garment and a longer outer one to offer the best compromise between air circulation during the hot day and warmth at night. There weren't many bright colors because the only dyes were from plant and animal tissues, but the Prophet Mohammed was traditionally very fond of green.
622
Muhammad returned to Mecca in 622 AD. Muhammad is said to be the last prophet of God in the Islamic religions.
it was important to Muslims because Muslims lived in it
The Hegira began in the year 622 A.D.
In year 622 AD.
622
it was foundedin 622 c.e