540 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "540" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

983^rd place

751^st place

low place

low place

1telegraph.co.uk

30^th place

24^th place

20^th place

30^th place

1,160^th place

737^th place

aryabhata.de

"In 1986 I discovered that a series of Irish oaks exhibited their narrowest rings in the immediate vicinity of." 080205 aryabhata.de

bbc.com

"El Chichon eruption implicated in Mayan upheaval - BBC News". BBC News. April 20, 2016. Retrieved April 20, 2016.

books.google.com

Graham, Alexander (2002) [1902]. Roman Africa. North Stratford, New Hampshire: Ayer Publishing, Incorporated. ISBN 0-8369-8807-8.

metmuseum.org

"List of Rulers of Korea". www.metmuseum.org. Retrieved April 21, 2019.

science.org

Gibbons, Ann (November 15, 2018). "Why 536 was 'the worst year to be alive'". Science | AAAS. Retrieved June 19, 2020.

telegraph.co.uk

Highfield, Roger; Uhlig, Robert; Derbyshire, David (September 9, 2000). "Comet caused Dark Ages, says tree ring expert". Daily Telegraph. Retrieved November 6, 2011.