411 REFERENCE · Wiktionary
Hajnal line
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|right|300px|The red line is Hajnal's line. The blue lines show areas of high nuptiality west of the Hajnal line.
Etymology
Proposed in 1965 by John Hajnal.
Proper noun
1
An imaginary line drawn between Saint Petersburg in Russia and Trieste in Italy, sometimes thought to divide Europe into two areas characterized by different levels of nuptiality, with lower marriage and fertility rates to the west, and higher rates to the east.
en eponyms