De or het jubileumtentoonstelling?

The correct Dutch article is:

de jubileumtentoonstelling

Rule Words ending in -ing: almost always de. See the rule

How to use jubileumtentoonstelling

the jubileumtentoonstellingde jubileumtentoonstelling
this jubileumtentoonstellingdeze jubileumtentoonstelling
that jubileumtentoonstellingdie jubileumtentoonstelling
our jubileumtentoonstellingonze jubileumtentoonstelling
your jubileumtentoonstellingjouw jubileumtentoonstelling
every jubileumtentoonstellingelke jubileumtentoonstelling
which jubileumtentoonstelling?welke jubileumtentoonstelling?
a big jubileumtentoonstelling / the big jubileumtentoonstellingeen grote jubileumtentoonstelling, de grote jubileumtentoonstelling