1918. Great Poland (Poland). Insurrection by the return of the territories annexed by Prussia.

Greater Poland Uprising was a military insurrection of Poles in the Greater Poland region against Germany, soon after the end of the First World War. Poles demanded, that the areas taken over by German, were given back to Poland, which regained its independence recently. The uprising started at 27th of December 2012. At the 28th of December German administration in Greater Poland’s cities and towns, including Gniezno, ceased to exist.

1988. Guifões, Matosinhos (Portugal). The neighbors get a deed homes built illegally.

The street name has to do with the possession of the deed of the residents of this street, after the buildings had been built illegally. They were the same neighbors who took the initiative with the president of the parish of Guifões to name the street "RUA 28 DE DEZEMBRO"

Source: Câmara Municipal de Matosinhos. Text in Portuguese ... or just have a fear rua da referring to writing realizada Pelos inhabitants referred arruamento do, depois two estates of Terem construídos been illegally - AUGI. Foramen bone próprios inhabitants upon that tomaram do next Presidente da parish of Guifões for arruamento that this pit called RUA Dezembro 28.

Source: Câmara Municipal de Matosinhos. Text in portuguese: ...o nome da referida rua tem a haver com a escritura realizada pelos moradores do referido arruamento, depois dos prédios terem sido construídos de forma ilegal – AUGI. Foram os próprios moradores que tomaram a iniciativa junto do Presidente da Freguesia de Guifões para que este arruamento fosse denominado de RUA 28 DE DEZEMBRO.

1370. Elche. Alicante (Spain). Appears a chest on the sea that has given contained to the Mystery of Elche.

According to tradition, on the morning of December 28, 1370 the Coast Guard Francesc Cantó guarding the coast of Elx, discovered a chest containing the image of the Virgin of the Assumption and the "consueta", the book verses, music and stage directions for the representation of the Misteri d'Elx.

Web: Turisme d'Elx - The Festival of the Coming of the Virgin