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315th day of the year according to the Gregorian calendar. There are 51 days till the end of the year.
1. The first production passenger car with air conditioning was presented to the general public in 1939 at the Chicago Auto Show. It was Packard 12 Sedan. This model did not cause a furor and mass distribution of air conditioners on cars did not provoke. The reasons were as follows: air conditioning on Packard was offered only as an option at the price of 274 dollars, which was very expensive, this system was very bulky, and finally to cool the cabin it was necessary to stop the Packard, open the hood and manually install the belt on the pulley of the air conditioning system.
2. On November 10, 1983, California student Fred Cohen presented the first computer virus at a computer security seminar. It was a so-called “worm” that did no harm, but simply copied itself onto a computer and displayed the message “I'm a creeper, catch me if you can.”