Chaturanga reached Persia.

Karnamak; the first reference to Chess in literature, the Persian romantic Karnamak.

Vasav; Chessmen mentioned in the Sanskrit fantasy romance, 'Vasavadatta' by Subandhu.

Muawiyah I born. Governor of Syria.

Sanskrit; Chess mentioned in a Sanskrit romance.

Earliest Chess pieces identified.

Muhammad starts to preach.

Talib; Abu Talib, Muhammad’s uncle, died.

Egypt; Chess introduced in Egypt.

Hasan, Ali's son, born.

Chaturanga mentioned in the Sanskrit, Harshacharita, by Bana.

Husayn, Ali’s second son, born.

Parwiz; Khusraw II Parwiz dies; 'Karnamak' written under his reign.

Chatrang (old Persian word for Chess) developed from chaturanga.

Allah; Rasul Allah (successor to the messenger of God) was new name for Abu Bakr.

Bakr; Abu Bakr, Muhammad's father-in-law, elected in Medina to lead. First Caliph.

06/08 Muhammad died.

Bakr; Abu Bakr died.

Umar I becomes second Caliph.

Islamic conquest of Persia changes Chatrang to shatranj.

Omar; the Caliph Omar sanctions Chess among the Islamic people.

Persia; start of the conquest of Persia.

Buddhists spread Chatrang eastward.

Omar al-Khattab born.

Affan; Uthman ibn Affan becomes third Caliph.

Umar I died.

Chatrang-Namak; short romance written in Persian, 'Chatrang-namak', describing Chess.

Arabic conquest of Persia completed; Shatranj popular.

Talib; Caliph Ali Ben Abu Talib, son-in-law of Muhammad, disapproved of Chess for Muslims.

Affan; Uthman ibn Affan assassinated in Medina by troops from Iraq and Egypt.

Muawiyah does not recognize Ali. First Umayyad Caliph.

Talib; Ali ibn Abu Talib, cousin and son-in-law of Muhammad becomes fourth Caliph, (Shiite).

Rival parties meet to arbitrate dispute of successor.

Hasan claimed Caliph, but abdicated later.

Muawiyah, first Umayyad (caravan merchants) Caliph, comes to power. Moves from Medina to Damascus.

Talib; Ali ibn Abu Talib assassinated.

Al-Asi; Amr ibn al-Asi, Muslim General and conqueror of Egypt died. Chess player.

Jubair; Sa'id Bin Jubair born. First to play blindfold.

Hasan died.

Canons; 50th rule of the canons forbids Chess.

Husayn assassinated in Iraq by Yazid. Shiite schism.

Muawiyah I died.

Yazid I ibn Muawiya, becomes Caliph.

Yazid, son of Muawiyah, died.

Abdal-Malik ibn Marwan reigned - a Chess player.

Japan; Chess prohibited in Japan by the Emperor Jito.