Great fire of Meireki

The  was a major event in the history of Tokyo, which was called Edo before 1868.In the name "Great Fire of Meireki" the noun "Meireki" refers to the nengō  (Japanese era name) after Jōō and before Manji.   In other words, the major fire occurred during Meireki, which was a time period which started in April 1655 and ended in July 1658..  

The fire destroyed more than half of the city of Edo in March 1657.Nussbaum, Louis-Frédéric. (2002). "Meireki no Taika" in Japan encyclopedia, p. 625.

History
The fire lasted for more than one day:
 March 2–3, 1657 (Meireki 3, 18th-19th days of the 1st month): The city of Edo was destroyed by the "Great Fire of Meireki".Titsingh, Isaac. (1834). Annales des empereurs du japon, p. 413.

An estimated 100,000 lives were lost. 

Edo was soon re-built.Nussbaum, "Kawamura Zuiken" in Japan encyclopedia, p. 498.

References

 Other websites 

Category:Fires in Asia
Category:History of Tokyo
Category:1657
Category:1650s in Japan