1602 – Born on May 1st in Diseworth, Leicestershire. William Lilly was the greatest practitioner of horary astrology, an ancient branch of astrology that answers questions by using the time of birth of a question, rather than the birth of a person.
1632 – He began to study astrology.
1641 – Began a professional practice and soon became heavily involved with the Parliamentary side in the English Civil War.
1647 – Wrote Christian Astrology, the most definitive work on horary astrology ever written in English.
1666 – He is most famous for predicting the Great Fire of London.
1681 – He continued his thriving astrological practice and died on June 9th.