Western and Central Asia, North Africa and Eastern Europe.
The Roman empire once stretched over three continents.
The Persian Empire was established in Asia, North Africa and Eastern Europe. That makes three continents. Your other four continents were not involved.
Afghanistan
The Diadochi (Or successors) to the Alexandrian Empire were three of Alexanders former generals named Perdiccas , Craterus amd Antipater .(Lower ranking officers who also vied for power were Ptolemy I Soter , Lysimachus , Peucestas , Peithon and Leonnatus .)
Alexander built his empire on the continents of Europe, Asia and Africa.
Europe, Asia and Africa.
over 30 countries besept constantinople which was a city
Those three continent would be Europe, Asia, and Africa.
Alexander’s Empire was divided into thirds, approximately, giving Egypt to Ptolemy, Palestine and Greece to Antigionus and Persian to Seleucus.
Suleiman the Magnificent's main accomplishment was expanding the Ottoman Empire to its greatest extent, reaching across three continents. He also implemented reforms in areas such as law, taxation, and education, and his reign was known for its cultural and architectural achievements.
At its greatest territorial extent in the late 17th century, the Ottoman Empire spanned three continents: Europe, Asia, and Africa. Its territories included much of Southeast Europe, the Middle East, and North Africa, stretching from the Balkans in the northwest to parts of the Arabian Peninsula in the southeast, and reaching as far south as Egypt and the northern coast of Africa. Key cities such as Istanbul, Cairo, and Baghdad were integral to its vast empire.
Asia , Africa , & Europe