Franz Joseph
classical
The first half of the 20th century is referred to as Classical Modern
Beethoven
Yes
The 18th Century. The beginning of the end for the Classical era and the start of the move into Romanticism perhaps occurred in 1800 when Beethoven published his first symphony.
Classical music has been around for some hundred years. It first started to show up in the 1600's and early 1700's. But the period of classical music was between 1750-1850.
The modern orchestra was first introduced during the classical period. Classical composers developed the genres of symphony and classical concerto (solo instrument and orchestra). Among the pioneer classical composers stand F. J. Haydn and W. A. Mozart.
it was first baroque, then classical, then romantic.
The first period of Western classical music is known as the Medieval period, which spans roughly from the 5th to the late 15th century. This era saw the development of early musical notation and the establishment of sacred music, most notably through Gregorian chant. It laid the foundation for later musical styles and forms, including polyphony, which emerged towards the end of this period. The Medieval period is characterized by its emphasis on vocal music and the influence of the Church on musical practices.
Wolfgang Amadeus Mozart (Austria, 1756-1791) was born in the Classical Period (1750-1825), when composers wrote music by playing a melody on the right hand, and playing an accompaniment on the left hand.
Greece first came to prominence in the Bronze Age, but the classical period occured after the Age of Iron. It depends on how ancient you want to get.
The so-called sonata-allegro form was established during the classical period, primarily by Franz Josef Haydn and Wolfgang Amadeus Mozart. It became the traditional form for the first movement of a symphony and later for chamber music such as sonatas, quartets, trios, etc.