Why is lyrical ballads regarded as a landmark?

"Lyrical Ballads" is regarded as a landmark in English literature because it marked the beginning of the Romantic movement in poetry. It introduced a new style that focused on the beauty of nature, the simplicity of everyday life, and the expression of personal emotions. The collaboration between William Wordsworth and Samuel Taylor Coleridge in this collection paved the way for a new approach to poetry that emphasized individual voice and freedom of expression.