I'm currently doing that subject.
Answer:
<em>Persia was attacked and conquered by Islamic Arabs in the seventh century. This had a far greater negative impact on Zoroastrianism than Alexander. Many libraries were destroyed, and a great deal of cultural treasure was destroyed. The Zoroastrians were classified as dhimmis by the Islamic conquerors (People of the Book).</em>
at the Battle of Lexington, in the early morning of April 19, 1775.
The 'battle" was actually a skirmish when British soldiers enroute to Concord came across armed colonial militiamen. After a brief exchange of fire, the Americans dispersed. It was not until later in the day that Minutemen, warned by Revere, Dawes, and others, routed a force of Redcoats at the Battle of Concord. These separate battles are often considered as a whole as the first open conflict in the war