The Observer is a British newspaper published on Sundays. First published in 1791, it is the world's oldest Sunday newspaper. . In 1993 it was acquired by Guardian Media Group Limited, and operated as a sister paper to The Guardian and The Guardian Weekly. In December 2024, Tortoise Media acquired the paper from the Scott Trust Limited, with the transition taking place on 22 April 2025. History. Origins. The first issue was published on 4 December 1791 by W.S. Bourne, making The Observer the world's oldest Sunday newspaper.
https://en.wikipedia.org/wiki/The_Observer