Thirty

The thirty (30) is the natural number between twenty-nine and thirty-one . It is even and the smallest Sphenic number .

Linguistic

The word thirty was formed from ahd. Drīzuc , since the Germanic t changed to an s sound after a vowel , the z disappeared in favor of the ß .

The Latin triginta and the Greek τριάκοντα (triakonta) occasionally appear in foreign or technical terms such as Trigintillion or Triakontan .

The rule of the thirty was a reign of terror of 30 oligarchs in Athens (404/403 BC)
The Triginta tyranni (Thirty Tyrants) were a group of soldier emperors who are presented in brief biographies in the Historia Augusta .
A devastating historical event in early modern Europe was the Thirty Years War .
Thirties was the name given to the political refugees from the struggle for freedom in Germany in the 1830s.
The thirtieth is a term from the federal German inheritance law: for 30 days after the inheritance, an heir must continue to provide maintenance to certain family members of the deceased.
The thirtieth year is a cycle of stories by Ingeborg Bachmann (1961).
" Trizesisms " were a Württemberg tax of thirties

Commons : Thirty - collection of images, videos, and audio files

Wiktionary: thirty - explanations of meanings, word origins, synonyms, translations

Wikiquote: Thirty Quotes