5th-6th century AD

• A young Arthur Pendragon becomes the holder of the Sword of Merlin (Magic Rangers).

20th century

1992

• Biologist Kelvin Winters, enraged with hate and jealousy, sells his soul to the Dark Org, causing him to become Master Org (Beast Rangers).

1996

• An elite team of cadets are recruited to become the Battalion Rangers (Battalion Rangers).

2000

• The Orion Rangers defeat Zircon and his forces (Orion Rangers).
• Hong Kong American martial artist Drake Wong inducts his son, Mack to the Fury Academy, where he befriends Simone, Dan, Eric and Lisa (Fury Rangers).

21st century

2001

• Four Rangers from the year 3001 go back in time to stop Darius to change the future (Alliance Rangers).

2008

• Ryan and Mildred are granted Lion and Chameleon powers as they soon turn to the dark side (Fury Rangers).

2009

• The final showdown between the Fury Rangers and the Dark Fury occurs (Fury Rangers). Four Rangers die as a result.
• Arthur and Anna die in the inferno caused by the Dark Fury after sending their fellow Rangers to safety.
• Adrian gets impaled to death by Long.
• Ryan gets mortally beaten to death by Long.