The two biggest canals are:
The Panama Canal - Connects the Atlantic and Pacific Oceans.
The Suez Canal - Connects the Mediterranean Sea (therefore, the Atlantic) and the Red Sea (therefore, the Indian ocean).
The Panama canal and the Suez canal.
It uses the Nile River to Connect the mediterranean Sea to Lake Victoria
Europeans were interested in Egypt because they wanted to build a canal east of Cairo to connect the Mediterranean and red seas.
The Kiel Canal links the North Sea with the Baltic.
The Mediterranean and the Red Sea
The Suez Canal is in Egypt. It connects the Gulf of Suez (which is the western gulf located at the north of The Red Sea) to the Mediterranean Sea. The canal was finished in 1869 by a French company. The canal was built by forced labor.
Europe and Asia
The Suez Canal connects the two seas.
The Panama canal connects the Pacific and Atlantic oceans. The Suez canal connects the Red sea to the Mediterranean sea The Kiel canal connects the North sea to the Baltic sea The Corinth canal connects the Ionian sea to the Aegean sea. The Caledonian canal connects the Irish sea to the North sea. The Gota canal connects the North sea to the Baltic sea.
The Main-Danube Canal links the North and Black Seas.
The Suez Canal
Atlantic and pacific
The Mediterranean and the Red Sea.