The names of some anniversaries provide guidance for appropriate or traditional gifts for the spouses to give each other; if there is a party these can be brought by the guests or influence the theme or decoration. These gifts vary in different countries, but some years have well-established connections now common to most nations [ citation needed ] : 5th Wooden , 10th Tin , 15th Crystal , 20th China , 25th Silver , 30th Pearl , 40th Ruby , 50th Gold , 60th Diamond . In English speaking countries the first, wooden, gift was cut on the day of celebration and then presented to the wife as a finished article before the next two quarter days had passed [ citation needed ] . The tradition may have originated in medieval Germany where, if a married couple lived to celebrate the 25th anniversary of their wedding, the wife was presented by her friends and neighbours with a silver wreath to congratulate them for the good fortune that had prolonged the lives of the couple for so many years [ inconsistent ] . On celebration of the 50th, the wife received a wreath of gold. Over time the number of symbols expanded and the German tradition came to assign gifts that had direct connections with each stage of married life. The symbols have changed over time. For example, in the United Kingdom, diamond was a well known symbol for the 75th anniversary [ citation needed ] , but this changed to the now more common 60th anniversary after Queen Victoria 's 60 years on the throne was widely marked as her Diamond Jubilee . [ citation needed ]

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