The system of democracy was first introduced in ancient Athens, Greece, around the 5th century BCE. This form of direct democracy allowed citizens to participate in decision-making processes, including voting on laws and policies. While not everyone in Athens was granted citizenship (e.g., women, slaves, and foreigners were excluded), it laid the groundwork for democratic principles that have influenced modern political systems.
Electronic voting machines were first introduced in Kerala.
The British Army
1800
yes
The later mughals had introduced it. It was also one of the common features of later mughals. in this they contracted farmers for revenue.
Indians introduced it.
germany germany
I assume you mean "When was the first operating system introduced?" Seems to be in the 1950s. See the link below for a very detailed page.
The first mathematician is Arya bhatt.
Ancient Greece, around 500BC.
porn
1946
Carl Schurz
The world's first Electric Trolley System was introduced in Montgomery in 1886.
The encomienda was introduced to the Americas by the Spanish settlers, authorized by the Spanish crown in 1503. The system was first devised when the Spanish conquered the Moors in Spain.
Windows 2000
Ostracism appears to first have been used by the Athenian democracy.