1977: Elisabeth claims she was abused for the first time as an 11-year-old

August 28, 1984: Fritzl asks Elisabeth to help him install a door in his cellar before drugging her with an ether-soaked towel

The daughter is tied up and chained to a bed for the next 24-years

August 29, 1984: Fritzl and his wife Rosemarie report their daughter missing

1988-1990: The first children are born after Fritzl continuously rapes Elisabeth – Kerstin first followed by Stefan

May 19, 1993: Nine-month-old baby named Lisa found on the families doorstep with a ‘letter from Elisabeth’ – Rosemarie raises Lisa with Fritzl

December 15, 1994: Monika is also found outside by the parents and once again looked after

1996: Elisabeth gives birth to twins Alexander and Michael but Michael dies at birth due to breathing issues and is tossed in an incinerator

1997: Alexander appears outside the house just like Lisa and Monika and is taken in

December 2002: The final child is born in the cellar as Felix is kept trapped in the hellhole with his two other siblings

April 19, 2008: Kerstin, 19, becomes seriously ill and needs medical help so is taken by Fritzl to the hospital in Amstetten

April 19-26, 2008: Elisabeth is allowed to leave the cellar with her two children after police ask to contact Kerstin’s mother

April 26, 2008: Police arrest Fritzl, who is with Elisabeth near the hospital

April 27, 2008: Cops explore underground cellar as all the siblings meet for the first time

April 28, 2008: Fritzl confesses to his horrific crimes

2009: Fritzl sentenced to life in prison after pleading guilty to rape, false imprisonment, manslaughter by negligence and incest

March 2024: The perverted pensioner becomes eligible for parole after 15-years behind bars

April 30, 2024: Fritzl is moved from a high security prison to a normal one