1. Sir Christopher Wren (1632-1723) is acclaimed as England’s greatest architect and was accredited for rebuilding 52 churches, including the St Paul’s Cathedral after the Great Fire of London in 1666. There’s even a hotel named after him in London, the Sir Christopher Wren Hotel and Spa along River Thames.
2. There are 80 species of the true wren in the world, two other species of wrens exists, but are unrelated to the true wren. They are mainly the Australian and the New Zealand variance
3. The Eurasian wren, the only true Wren found in Europe is known as the ‘King of Birds’ in this Old World continent.
4. It’s considered bad luck to kill a wren or disturbing it’s nest or resting place.
5. 26th December is celebrate as Wren Day in certain parts of Ireland
6. There are 6 places in the world known as Wrens, all found in the United States of America but are more common in Canada
7. There are two bands known as The Wrens. One band is still active and is renowned for their intense live performances and as one of the best live bands in the world according to the UK tabloid, The Guardian in 2006.
8. Women’s Royal Canadian Naval Service (WRCNS) were given the nickname, WRENS because of the similarity in the acronym given.
9. British Women’s Royal Naval Service (WRNS) were also know as the WRENS. The WRENS, who were working as code breakers together with Alan Turing’s team made up almost two-thirds of the staff working at Bletchley Park and were crucial in decoding the German Enigma codes and winning World War Two.  The WRENS were given very little recognition until recently.
10. The WRENS (WRNS) were mentioned  frequently in the critically acclaimed movie, ‘The Imitation Game’. Starring Benedict Cumberbatch as Alan Turing and Keira Knightley as Joan Clarke, the movie won just the Academy Award for Best Adapted Screenplay, despite having 8 nominations. Joan Clarke in particular, lived together with the Wrens during her stint in Bletchley Park.
11. Wrens was also the nickname given to camp women and prostitutes servicing the British Army in the Curragh Camp located in Co. Kildare, Ireland in the 19th century.
12. The Carolina Wren as the state bird of South Carolina, is featured on the state quarter since year 2000, the start of the new millennium.
13. The Wren was also featured on the British Farthing from 1937 onwards during the reign of King George VI and the current monarch, Queen Elizabeth II. It ceased to be legal tender in 1960, when the value became too small.
14. There were two ships of the Royal Navy named HMS Wrens. The first ship was sunk in World War One but the second ship was more successful during World War Two as it sank 5 U-boats and won 4 battle honours.
15. There is a Wren Secret Society in the College of William & Mary in Virginia located in Virginia, United States.
16. Paul McCartney wrote a song named ‘Jenny Wren’ probably because the wren was reported to be supposedly his favourite bird.
17. In 1864 Charles Dickens completed his last novel, Our Mutual Friend and there was a major character with the alias, Jenny Wren.

* Sources of all information mainly from Wikipedia and www.techrepublic.com. * Picture credit is given to the source of picture, Ms Ruth Bourne and www.techrepublic.com. The picture featuring Miss Ruth Bourne, a Wren during World War Two.