1 year is a paper anniversary 
2 years is a cotton anniversary 
3 years is a leather anniversary 
4 years is a linen anniversary 
5 years is a wood anniversary 
6 years is an iron anniversary 
7 years is a wool anniversary 
8 years is a bronze anniversary 
9 years is a copper anniversary 
10 years is a tin anniversary 
11 years is a steel anniversary 
12 years is a silk anniversary 
13 years is a lace anniversary 
14 years is an ivory anniversary 
15 years is a crystal anniversary 
17 years is a turquoise anniversary 
18 years is a lapis anniversary 
20 years is a china anniversary 
25 years is a Silver Jubilee
30 years is a pearl anniversary 
35 years is a coral anniversary 
40 years is a ruby anniversary 
45 years is a sapphire anniversary 
50 years is a Golden anniversary
55 years is an emerald anniversary 
60 years is a Diamond Jubilee 
65 years is a blue sapphire anniversary 
70 years is a Platinum Jubilee. 
75 years is a diamond wedding anniversary 
80 years is an oak wedding anniversary

Here are all the Jubilee s and Anniversaries. Sorry, I can't reference it as the window closed and I couldn't find the website again.