How do you call your 25th birthday celebration?

Question

How do you call your 25th birthday celebration?

Answer 1

Annual - 1 year

# Biennial - 2 years

# Triennial - 3 years

# Quadrennial - 4 years

# Quinquennial - 5 years

# Sexennial - 6 years

# Septennial - 7 years

# Octennial - 8 years

# Novennial - 9 years

# Decennial - 10 years

# Undecennial - 11 years

# Duodecennial - 12 years

# Tredecennial - 13 years

# Quattuordecennial - 14 years

# Quindecennial - 15 years

# Vigintennial or vicennial - 20 years

# Semicentennial or quinquagenary - 50 years

# Semisesquicentennial - 75 years

25 = quasquigenary

  50 = quinquagenary (golden)

  75 = terquasquigenary (diamond)

100 = centennial or centenary

125 = quasquicentennial

150 = sesquicentennial

175 = terquasquicentennial (or

            septaquintaquinquecentennial!)

200 = bicentennial or bicentenary

225 = bicenquasquigenary

250 = bicenquinquagenary

275 = bicenterquasquigenary

300 = tricentennial or tercentenary

Answer 2

Quarter of a century

Answer 3

Silver Jubilee.