Chemical elements may also be categorized by their origin on Earth, with the first 98 considered to be naturally occurring, while those with atomic numbers beyond 98 have only been produced artificially as the synthetic products of man-made nuclear reactions.

* Mother Brook ( first man-made waterway in the United States )

One of the first to discover and publish a link between man-made electric current and magnetism was Romagnosi, who in 1802 noticed that connecting a wire across a voltaic pile deflected a nearby compass needle.

* 1886 – Charles Martin Hall produced the first samples of man-made aluminum, after several years of intensive work.

The first use of the word was for the limbs of fish, but has been extended to include other animal limbs and man-made devices.

) Additional inspiration for GPS came when the Soviet Union launched the first man-made satellite, Sputnik in 1957.

After releasing its atmospheric probe on 13 July 1995, the Galileo orbiter became the first man-made satellite of Jupiter at 00: 27 UT on 8 December 1995 when it fired its main engine to enter a 198-day parking orbit.

The first important man-made inorganic compound was ammonium nitrate for soil fertilization through the Haber process.

* 1983 – Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune ( the furthest planet from the Sun at the time ).

The transmutation of lithium atoms to helium in 1932 was the first fully man-made nuclear reaction, and lithium deuteride serves as a fusion fuel in staged thermonuclear weapons.

It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.

* Reactors Designed by Argonne National Laboratory The “ firsts ” among these reactors were many, but they include the first man-made self-sustaining neutron chain reaction, and the first generation of electricity from nuclear energy.

It is the first man-made object to reach space.

* 1959 – The Soviet probe Luna 2 crashes onto the Moon, becoming the first man-made object to reach it.

The early era of space exploration was driven by a " Space Race " between the Soviet Union and the United States, the launch of the first man-made object to orbit the Earth, the USSR's Sputnik 1, on 4 October 1957, and the first Moon landing by the American Apollo 11 craft on 20 July 1969 are often taken as the boundaries for this initial period.

The first steps of putting a man-made object into space were taken by German scientists during World War II while testing the V-2 rocket, which became the first human-made object in space on 3 October 1942 with the launching of V-4.

Around 2 million years ago, Homo habilis is believed to have constructed the first man-made structure in East Africa, consisting of simple arrangements of stones to hold branches of trees in position.

Giambattista Vico was among the first to claim that history and culture were man-made.

* June – German V-2 rockets on test from Peenemünde become the first man-made objects to enter space.

The rocket flies 147 kilometres wide and reaches a height of 84. 5 kilometres, becoming the first man-made object to reach space.

* May 19 – Venera 1 becomes the first man-made object to fly-by another planet by passing Venus ( however, the probe had lost contact with Earth a month earlier and does not send back any data ).

At first there was no passenger service, for south of the station was the Akihabara cargo docks, where goods from all over the world would flow into Kanda by river and be hauled up the east bank of the canal to be ticketed at the central cargo transport window.

Greek engineers were the first to use canal locks, by which they regulated the water flow in the Ancient Suez Canal as early as the 3rd century BC.

The first artificial canal in Christian Europe was the Fossa Carolina built at the end of the 8th century under personal supervision of Charlemagne.

In post-Roman Britain, the first canal built appears to have been the Exeter Canal, which opened in 1563.

In France, a steady linking of all the river systems — Rhine, Rhône, Saône and Seine — and the North Sea was boosted in 1879 by the establishment of the Freycinet gauge, which specified the minimum size of locks so that canal traffic doubled in the first decades of the 20th century.

In their first major use at the Battle of Cambrai ( 1917 ), the plan was for a cavalry division to follow behind the tanks, however they were not able to cross a canal because a tank had broken the only bridge.

* 1903: Two first diesel-powered ships were launched, both for river and canal operations: Petite-Pierre in France, powered by Dyckhoff-built diesels, and Vandal tanker in Russia, powered by Swedish-built diesels with an electrical transmission.

The idea of a canal across southern Sweden was first put forward as early as 1516, by Hans Brask, the bishop of Linköping.

The Bridgewater Canal, the first successful canal, crossing the Manchester Ship Canal, one of the last canals to be built.

The first successful canal was the Bridgewater Canal in North West England, which opened in 1761 and was mostly funded by The 3rd Duke of Bridgewater.

At first he opposed Clinton's plan for the Erie Canal, but later supported it when the Bucktails were able to gain a majority in the Erie Canal Commission, and supported a bill that raised money for the canal through state bonds.

Van Buren at first favored internal improvements, such as road repairs and canal creation, therefore proposing a constitutional amendment in 1824 to authorize such undertakings.

Musharraf's first childhood home was called neharwali haveli, literally " mansion by the canal ".

* New Plans For Panama, by Stephen L. Freeman 1947 article about possible post World War II plans for the Panama Canal including first mention of a sea level canal to replace the locks

The canal was reopened in 1975, with President Sadat leading the first convoy through the canal aboard an Egyptian destroyer.

When first built, the canal was long and deep.

Another canal probably incorporating a portion of the first was constructed under the reign of Necho II and completed by Darius.

< Blockquote > One of their kings tried to make a canal to it ( for it would have been of no little advantage to them for the whole region to have become navigable ; Sesostris is said to have been the first of the ancient kings to try ), but he found that the sea was higher than the land.

So he first, and Darius afterwards, stopped making the canal, lest the sea should mix with the river water and spoil it .</ Blockquote >

A geography treatise by Dicuil reports a conversation with an English monk, Fidelis, who had sailed on the canal from the Nile to the Red Sea during a pilgrimage to the Holy Land in the first half of the 8th century

The first ship to follow the yacht Aigle through the canal was the British P & O liner Delta.

To save the British from what he thought was a disastrous action, and to stop the war from a possible escalation, Canadian Secretary of State for External Affairs, Lester B. Pearson, proposed the creation of the first United Nations peacekeeping force to ensure access to the canal for all, and an Israeli withdrawal from the Sinai.

The first southbound convoy enters the canal in the early morning hours and proceeds to the Great Bitter Lake, where the ships anchor out of the fairway, awaiting passage of the northbound convoy.