A golden jubilee marks a 50th anniversary. It variously is applied to people, events, and nations.
The Singapore50 logo representing the golden jubilee celebrations.
An anniversary is the date on which an event took place or an institution was founded in a previous year, and may also refer to the commemoration or celebration of that event. The word was first used for Catholic feasts to commemorate saints.
Swedish celebrities including Miss Sweden Johanna Lind, Camilla Henemark, Alexandra Charles and Christina Schollin celebrate the 100th anniversary of the birth of Mae West at Berns in Stockholm in 1993
Memorial plaque presented by the National Capital Sesquicentennial Commission in Washington, D.C. in 1951