When South America became attached to North America creating the Isthmus of Panama, the Arctic region cooled due to the strengthening of the Humboldt and Gulf Stream currents, eventually leading to the glaciations of the Pleistocene ice age, the current interglacial of which is the Holocene Epoch.

When Pakistan clamped down in 2003 on the types of goods permitted duty-free transit, and introducing stringent measures and labels to prevent such practices, re-routing of goods through Iran from the Persian Gulf increased significantly.

When Saddam Hussein failed to comply with this demand, the Gulf War ( Operation " Desert Storm ") ensued on January 17, 1991.

When the Portuguese turned their attention to the Persian Gulf, Piri Reis occupied the Qatar peninsula and the island of Bahrain to deprive the Portuguese of suitable bases on the Arabian coast.

When he refused to support the Ottoman Vali ( Governor ) of Basra, Kubad Pasha, in another campaign against the Portuguese in the northern Persian Gulf, Piri Reis was publicly beheaded in 1554 or 1555.

When the rebellious helots were finally forced to surrender and permitted to evacuate the country, the Athenians settled them at the strategic city of Naupactus on the Corinthian Gulf.

When the U. K. announced a policy in 1968 ( reaffirmed in March 1971 ) of ending the treaty relationships with the Persian Gulf sheikdoms, Qatar joined the other eight states then under British protection ( the seven trucial sheikdoms — the present United Arab Emirates -- and Bahrain ) in a plan to form a union of Arab emirates.

When historical events are involved in their biography, overt retcons may be used to accommodate this ; a character who served in the army during World War II might have his service record retconned to place him in the Korean War, the Vietnam War, the Gulf War, etc.

When questioned about which episode in their career they most regretted, none of the other candidates would answer the question, except Anderson, who cited his vote for the Gulf of Tonkin resolution.

When the Argo was driven ashore in the Gulf of Syrtes Minor, the crew carried the vessel to the " Tritonian Lake ", Lake Tritonis, whence Triton, the local deity euhemeristically rationalized by Diodorus Siculus as " then ruler over Libya ", welcomed them with a guest-gift of a clod of earth and guided them through the lake's marshy outlet back to the Mediterranean.

When Cortés returned to the Gulf coast to deal with the newly arrived hostile expedition of Pánfilo de Narváez, Alvarado remained in Tenochtitlan as commander of the Spanish enclave, with strict orders to make sure that Moctezuma not be permitted to escape.

When the Gulf, Colorado and Santa Fe Railroad reaches Temple in 1880, the village starts to die as citizens move closer to the train station.

When Wells began to prosper as a result of the Kansas and Gulf Short Line Railroad reaching the town in 1885, the Mt.

When Featherstone Osler and his bride ( Ellen Free Picton ) arrived in Canada they were nearly ship-wrecked again on Egg Island in the Gulf of Saint Lawrence.

When the Kansas and Gulf Short Line Railroad extended their route from Tyler to Lufkin they passed through Bullard and built a depot.

When the United States invaded Iraq in 2003, it cited Iraq's non-compliance with the terms of cease-fire agreement for the 1990-1991 Gulf War, as well as planning in 1993 attempted assassination of former President George H. W. Bush and firing on coalition aircraft enforcing the no-fly zones as its stated.

When the studio showed a list of their purchased scripts to Russell, the one-sentence description of Spoils of War, " heist set in the Gulf War ", appealed to him.

When the Qajar dynasty replaced the Zand dynasty, they gain less control on the region of the Persian Gulf, so the British influence in the region increased gradually.

When compared with the deployment of forces prior to the Gulf War things proceeded a great deal faster, with the slowest deploying elements taking 10 weeks to get from base to combat readiness in the theatre.

When President George H. W. Bush traveled to Raytheon's Patriot manufacturing plant in Andover, Massachusetts during the Gulf War, he declared, the "" Patriot is 41 for 42: 42 Scuds engaged, 41 intercepted!

When Eudoxus was returning from his second voyage to India the wind forced him south of the Gulf of Aden and down the coast of Africa for some distance.

When the Spaniards arrived, the Aztec Empire reached much of Mesoamerica, touching both the Gulf of Mexico and the Pacific Ocean.

When Christopher Columbus for the first time visited the island in 1494, he named the bay Golfo de Buen Tiempo (' Fair Weather Gulf ').

When a nor ' easter starts forming in the Gulf of Mexico, moist air and high dew points feed into the developing storm.

According to the theorem, it is possible to expand the power ( x + y )< sup > n </ sup > into a sum involving terms of the form ax < sup > b </ sup > y < sup > c </ sup >, where the exponents b and c are nonnegative integers with, and the coefficient a of each term is a specific positive integer depending on n and b. When an exponent is zero, the corresponding power is usually omitted from the term.

When the season ended, he posted a 1. 26 ERA, which gave him not only the lowest in his career, but also gave him a Major League record of being the oldest pitcher with 150 + innings pitched to post a season ERA under 1. 50.

When all three fatty acids have the formula C < sub > n </ sub > H < sub >( 2n + 1 )</ sub > CO < sub > 2 </ sub > H, the resulting fat is called " saturated ".

When Charles Bluhdorn died unexpectedly, his successor Martin Davis dumped all of G + W's industrial, mining, and sugar-growing subsidiaries and refocused the company, renaming it Paramount Communications in 1989.

When m is chosen so that ( a + bm )/ k is an integer, so are the other two numbers in the triple.

When the Sun's path crosses the equator, the length of the nights at latitudes + L ° and-L ° are of equal length.

When there are fewer than 10 players in a tournament, the score is multiplied by a secondary factor / ( p + 1 ).

* When replacing appliances, choosing more energy efficient appliances ( A + rated machines to the EU environmental rating are preferred )

When calling a telephone number in the United States, Canada or any other NANP member country from Saint kitts and Nevis, the user would dial 1 + area code + phone number.

When calling a telephone number inside Saint Kitts and Nevis from the United States, Canada or other countries participating in the NANP, the user would dial 1 + 869 + seven digit phone number.

When meat is in its raw state, the iron atom is in the + 2 oxidation state, and is bound to a dioxygen molecule ( O < sub > 2 </ sub >).

When the elliptic curve is chosen randomly, then N < sub > p </ sub > and N < sub > q </ sub > are random numbers close to p + 1 and q + 1, respectively ( see below ).

Translating this analogy into space, then, a " stationary " observer sees a planet moving left at speed U and a spaceship moving right at speed v. If the spaceship has the proper trajectory, it will pass close to the planet, moving at speed U + v relative to the planet's surface because the planet is moving in the opposite direction at speed U. When the spaceship leaves orbit, it is still moving at U + v relative to the planet's surface but in the opposite direction ( to the left ).

When an action potential is triggered, the membrane potential abruptly shoots upward, often reaching as high as + 100 mV, then equally abruptly shoots back downward, often ending below the resting level, where it remains for some period of time.

When Alt-0181 or the DOS legacy Alt + 230 is typed into an editable field using the numeric keypad in Microsoft Windows, the µ symbol appears.

When the call starts to ring, the caller uses the blue box to send a 2600 Hz tone ( or 2600 + 2400 Hz on many international trunks followed by a 2400 Hz tone ).

When the results of a series of measurements are described by a normal distribution with standard deviation and expected value 0, then is the probability that the error of a single measurement lies between − a and + a, for positive a.

When finished, it is expected that the new building will contain 33 laboratories and 11 classrooms, along with 50 + offices for staff.

: Note as important: Overall analysis should be based on 6W + 1H ( What, When, Where, Which, Who, Why and How ) question.

When coordinates are expressed as polynomials in time relative to a reference frame defined in this way, that means the values obtained for the coordinates in respect of any interval t after the stated epoch, are in terms of the coordinate system of the same date as the obtained values themselves, i. e. the date of the coordinate system is equal to ( epoch + t ).