Cipher seals

  1. 42
  2. 69
  3. 420
  4. 690

Quiet field

142

The year was full. This aperture was quiet.

The surviving record for 142 is not blank. It does not, under the categories declared before this sweep, resemble a cluster of instruments, laws, or named firsts that would promote the year. Quiet is a description of the aperture, not of the century.

  • Antoninus Pius in a relatively settled principate
  • Hadrian’s successor year, not a founding
  • Eastern Han continuing

The aperture

Quiet under the declared categories. Retained as a denominator year.

Regions checked

  • Europe
  • Middle East and North Africa
  • East Asia
  • South Asia
  • Africa
  • the Americas
  • Central Asia

Included / excluded

    41 | 42 | 43

    Same century. Same research threshold. Matched frames. Neither pane brighter except that the middle year is the selected aperture.

    141

    Neighbor

    141: ordinary Antonine administration in the surviving record.

    142

    Aperture

    Quiet under the declared categories. Retained as a denominator year.

    143

    Neighbor

    143: ordinary Antonine administration in the surviving record.