| birthday anniversary annual holiday bicentenary bicentennial biennial bissextile day centenary centennial commemoration decennial diamond jubilee golden wedding anniversary holy days immovable feast jubilee leap year name day natal day octennial quadrennial quasquicentennial quincentenary quincentennial quinquennial septennial sesquicentennial sextennial silver wedding anniversary tercentenary tercentennial tricennial triennial wedding anniversary |
| natal day anniversary annual holiday bicentenary bicentennial biennial birthday bissextile day centenary centennial commemoration decennial diamond jubilee golden wedding anniversary holy days immovable feast jubilee leap year name day octennial quadrennial quasquicentennial quincentenary quincentennial quinquennial septennial sesquicentennial sextennial silver wedding anniversary tercentenary tercentennial tricennial triennial wedding anniversary |
| name day anniversary annual holiday bicentenary bicentennial biennial birthday bissextile day centenary centennial commemoration decennial diamond jubilee golden wedding anniversary holy days immovable feast jubilee leap year natal day octennial quadrennial quasquicentennial quincentenary quincentennial quinquennial septennial sesquicentennial sextennial silver wedding anniversary tercentenary tercentennial tricennial triennial wedding anniversary |