What year did the key first appear?
Germany
The original lock and key system was used by Egyptians over 4000 yrs. ago, as discovered by archaeologists. They were crude, and made of wood, but they were the forerunners of the lock and key system we still use today.
The year when Television was first transmitted was on 1927. It transmits the first all-electronic television image by Philo Farmsworth.
1789 was known as First year of liberty.
1914
Key to Time
Pascal's tiangle first appear in the year 1653.
The first car key was made in 1878.
1895
1994
your first set of teeth begin to appear when you are 1 year old
Bipedal locomotion.
no
1853
1932
The first was in 1913.
1962