On this day: May 10
First Public Demonstration of Electric Hearing Aids, May 10, 1914
On May 10, 1914, early electric hearing aids were shown publicly for the first time, marking a shift from acoustic to electrically amplified solutions that would evolve into modern hearing technology.
Bobby Orr’s airborne Cup-winning goal clinches 1970 Stanley Cup
On May 10, 1970, Boston Bruins defenseman Bobby Orr scored the series-clinching goal in overtime of Game 4 against the St. Louis Blues — the shot became an enduring image when Orr was photographed mid-air after being tripped as he scored.
Reichstag Declared Unsafe After Bombing
On 10 May 1933 the Reichstag building in Berlin was declared unsafe following a bombing incident; authorities closed the chamber and began structural assessments amid a tense political atmosphere.