1900 (Universal Exposition)
2^nd floor
Construction of the upper second floor.
2 meters added to lower second floor enclosure platform.

1902
Spire
Reinforcement of the trusses above the second floor.

1957
Highest point
Due to a fire, the top was reconstructed with additional levels and antenna bases.

1976
Spire
Caisson of trusses, previously consolidated in 1902 .

1981 à 1983 (major construction)
Highest point
Construction of the 6^th floor ( T.D.F. - France Television Diffusion).
Construction on the 5^th floor (elevator equipment).

Spire
Construction on the stairs and tower's new elevators.
Symmetrical arrangement of the horizontal braces.

2^nd floor
Construction of the panoramic restaurant JULES VERNE.
Refitting of the upper second floor and core central floor.
Refitting of the lower second floor and core central floor.

1^st floor
Elimination of the flooring and construction on the platform.
Underneath reinforcement of the principal structures and active struts.
The floor was redone.
3 pavilions were built.

1986
General Tower lighting system.