6 moments
Birth at Bohopil
· Bohopil, Pervomaisk, Mykolaiv Oblast, Ukraine

Wikimedia Commons · Public domain · file Edgar Alexis Robert von Wahl was born in Bohopil, then in the Russian Empire and now within Pervomaisk, Ukraine. The exact birth locality is disputed in sources between Bohopil and nearby Olviopol. Bohopil and Olviopol were neighboring settlements later incorporated into Pervomaisk; coordinates represent Pervomaisk.
Childhood move to Saint Petersburg
· Saint Petersburg, Russian Empire

Wikimedia Commons · Public domain · file The Wahl family relocated to Saint Petersburg, where Edgar entered the city’s Third Gymnasium at age nine and later continued university and art-academy studies.
Marriage to Maria von Hübbenet
· Saint Petersburg, Russian Empire
De Wahl married Maria von Hübbenet in Saint Petersburg shortly after leaving active naval service. Their marriage produced five children before its dissolution in 1913. The cited scholarly biography dates the marriage to 29 October 1894, but this card uses year precision because the verification quote supports only the year.
Permanent move to Tallinn
· Tallinn, Estonia

Wikimedia Commons · Public domain · file After naval service and his Saint Petersburg marriage, de Wahl moved to Tallinn, where he began a long career teaching mathematics and physics and spent most of the rest of his life.
Occidentalists photographed in Vienna
· Vienna, Austria

Wikimedia Commons · Creative Commons Attribution-Share Alike 3.0 Unported; GNU Free Documentation License 1.2 or later · file De Wahl was photographed in Vienna with Hanns Hörbiger, Johann Robert Hörbiger, and Engelbert Pigal during the period when Occidental organizations were expanding internationally. Coordinates represent central Vienna; the photograph caption does not identify a more precise venue.
Confinement at Seewald mental hospital
· Seewald mental hospital, Paldiski maantee 52, Tallinn, Estonia

Wikimedia Commons · Creative Commons Attribution-Share Alike 4.0 International · file Following his arrest by German occupation authorities, de Wahl was transferred for examination to Seewald mental hospital in Tallinn. He remained institutionalized there for the rest of his life. The transfer followed his 12 August 1943 arrest; the cited source does not state the transfer date in the quoted sentence. Coordinates represent the historic hospital grounds at Paldiski maantee 52.