Complex sentence: During this period a series of political upheavals occurred throughout the European continent, spreading like a wave from Western Europe, known as the Revolutions of 1848 Mackevičius began to consider the possibility of liberating Lithuania from the Russian Empire.
Split into simpler sentences: During this period a series of political upheavals occurred throughout the European continent, spreading like a wave from Western Europe, known as the Revolutions of 1848. Mackiewicz began to consider the possibility of liberating Lithuania from the Russian Empire.