30 (number)

The Thirty ( 30) is the natural number between twenty-nine and thirty-one. She is straight and the smallest number sphenische.

Linguistic

The word thirty formed from OHG drīzuc because the Germanic t after a vowel to an s- sound changed, disappeared in favor of the z ß.

The Latin and the Greek Triginta τριάκοντα ( triakonta ) are reported occasionally in foreign or technical words like Trigintillion or Triakontan.

History and Society

• 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, which is shown in the Historia Augusta, in short biographies.
• A devastating historical event in early modern Europe was the Thirty Years' War.
• Thirties called the political refugees the freedom struggle in the 1830s in Germany.
• The Thirtieth is a term from the German national inheritance: for 30 days following the death a legacy of certain family members of the deceased must continue to provide maintenance.
• The Thirtieth Year is a narrative cycle of Ingeborg Bachmann ( 1961).
• " Trizesismen " were a Württemberg thirtieth control