Wedding anniversary years have well-established connections now common to most nations: 5th Wood, 10th Tin, 15th Crystal, 20th China, 25th Silver, 30th Pearl, 35th Jade, 40th Ruby, 45th Sapphire, 50th Gold, 60th Diamond, and 70th Platinum. 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. The modern 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
Esperanto jubilee symbol Esperanto jubilee symbol The Esperanto jubilee symbol () is a cultural symbol that was created in 1987 to mark the 100th anniversary of Esperanto. Because of its shape, the symbol is sometimes informally called the melon ("melono"), egg ("ovo") or football ("rugbea pilko"). With a Latin E on one side and a Cyrillic Э (for "Эсперанто") on the other, it can be interpreted as being inclusive of East and West. At the time, the Cold War was waged between the United States and the Soviet Union, and they represented the largest enemies in the world. The desire for a more