Vikipediya:Tarixdə bu gün/aprel 15
şablon Vikipediya From Wikipedia, the free encyclopedia
15 aprel: ilk elektron kalkulyator, Londonda "Sers"in premyerası
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Georg_Friedrich_H%C3%A4ndel.jpg/640px-Georg_Friedrich_H%C3%A4ndel.jpg)
Digər günlər: 14 aprel – 15 aprel – 16 aprel
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