Arthur Aikin FGS ( 19 May 1773 – 15 April 1854 ) was an English chemist, mineralogist and scientific writer.

After a year of difficulties Bahá ' u ' lláh absented himself rather than continue to face the conflict with Mirza Yahya and secretly secluded himself in the mountains of Sulaymaniyah in April 1854 a month before ` Abdu ' l-Bahá's tenth birthday.

In April 1854, Austria signed a defensive pact with Prussia.

on December 12, 1854 ), Wyandotte was incorporated as a city, and granted a charter by the State of Michigan, on December 12, 1866, with the first city election held in April 1867 ( the second oldest incorporated city in Wayne County outside of Detroit ).

Walla Walla County was formed on April 25, 1854.

Wahkiakum County was formed out of Cowlitz County on April 25, 1854.

On April 26, 1854, the legislature of Washington Territory created Clallam County from the northwestern portion of this original area.

Grays Harbor County was formed out of Thurston County on April 14, 1854.

Its name derives from the anglicized version of the Cowlitz Indian term, Cow-e-liske, meaning either “ river of shifting sands ” or “ capturing the medicine spirit .” It was formed on April 21, 1854.

Being one of the first counties organized, it was created on April 24, 1854, by the newly formed Washington Territorial Government and signed into law by Governor Isaac Stevens.

Clallam County was formed on April 26, 1854.

The brothers and sisters were Jørgine Caroline ( 1854 – 1879 ), Mathilde Sophie ( born 1856 ), Karen Marie ( 1857 – 1876 ), Jørgen Peter ( born 1859 ) emigrated to Australia, Johan Sophus ( 1861 – 1942 ) emigrated to USA, Christian Albert ( born 1863 ) emigrated to USA, Carl August ( 1865 – 1931 ), Anders Jacob ( born 1867 ) emigrated to USA, Helene Christine Louise ( born 1869 ) emigrated to USA, Valdemar Emil ( 1871 – 1965 ), Julie Christine ( born 1872 ), Anna Dusine ( 8 January to 2 April 1875 ). All the children bore the surname Nielsen despite regulations by the Ministry of Church Affairs.

The Chinese Camp post office was established in the general store on April 18, 1854.

On April 14, 1854, the post office was moved from Weld's properties in the southwest part of the township to the Showerman settlement when Lucius Showerman was named postmaster.

Over the ensuing centuries, portions of the township were taken to create many new municipalities: Hamilton Township on February 5, 1813 ; Atlantic City on May 1, 1854 ; Absecon on May 1, 1854 ; South Atlantic City ( now Margate City ) on September 7, 1885 ; Pleasantville on January 10, 1889 ; Linwood on February 20, 1889 ; Somers Point on April 24, 1886 ; Longport on March 7, 1898 ; Ventnor City on March 17, 1903 ; and Northfield on March 21, 1905.

Over the centuries, portions of the township were taken to create Washington Township ( February 17, 1836 ), Woodbury Borough ( March 27, 1854 ; now Woodbury City ), West Deptford Township ( March 1, 1871 ), Wenonah ( March 10, 1883 ), Westville ( April 7, 1914 ) and Woodbury Heights ( April 6, 1915 ).

An abortive attempt at a village containing portions in two counties and two towns from January 1854 until April 1857, it was part of the Niagara County / Town of Wheatfield component, with the other portion being located in Erie County and the Town of Tonawanda.

Jacob S. Coxey, Sr. sometimes known as General Coxey ( April 16, 1854 – May 18, 1951 ) of Massillon, Ohio, was an American politician, who ran for elective office several times in Ohio.

The town was established April 17, 1854 and named after these natural rock walls.

It was then ratified, with changes, by the U. S. Senate on April 25, 1854 and signed by President Franklin Pierce, with final approval action taken by Mexico on June 8, 1854.

This version of the treaty successfully passed the U. S. Senate April 25, 1854 by a vote of 33 to 12.

On April 10, 1904, his first child was born, a son named George after the late Senator.

It is difficult to say what Thompson expected would come of their relationship, which had begun so soon after his emotions had been stirred by Maggie Brien, but when Katie wrote on April 11, 1900, to tell him that she was to be married to the Rev. Godfrey Burr, the vicar of Rushall in Staffordshire, the news evidently helped to deepen his discouragement over the failure of his hopes for a new volume of verse.

On April 1, 1953, after some six months of full-time `` pioneering '', petitioner discontinued devoting 100 hours a month to preaching, but failed to so notify his local board.

At twelve minutes after five on the morning of Wednesday, April 18, 1906, San Francisco was shaken by a severe earthquake.

The outgoing members, whose four-year terms will expire a week after the April 18 primary election, received carved wooden elephants, complete with ivory tusks, to remember the state committee by.

-- Consumer spending edged down in April after rising for two consecutive months, the Government reported.

When the North enthusiastically rallied behind the national flag after the Confederate attack on Fort Sumter on April 12, 1861, Lincoln concentrated on the military and political dimensions of the war effort.

* On April 15, 1912 the RMS Titanic sank after hitting an iceberg with a loss of more than 1, 500 lives.

To the west, the Union gained control of the Mississippi River after the Battle of Shiloh ( April 1862 ) and Siege of Vicksburg, splitting the Confederacy in two and destroying much of their western army.

* Easter, or Resurrection Day ( Christians )-celebrated the First Sunday after the first full moon on or after the Spring Equinox, near March 21st ( between March 22 and April 25 )

His successor President Barack Obama has expressed his desire to recognize the Armenian Genocide during the electoral campaigns, but after being elected, has not used the word genocide in his first annual April 24 speech in 2009.

* Earliest day on which Sizdah Be-dar can fall, while April 2 is the latest ; celebrated on the 13th day after vernal equinox.

* 1960 – Forced out by the April Revolution, President of South Korea Syngman Rhee resigns after twelve years of dictatorial rule.

Soon after acquiring the undisputed possession of the Roman empire, Theodosius died at Milan in 395, and two years later ( April 4, 397 ) Ambrose also died.

Hasan Ali Shah died after an imamate of sixty-four years in April 1881.

Alexios attempted to organize a resistance to the new regime from Adrianople and then Mosynopolis, where he was joined by the later usurper Alexios V Doukas Mourtzouphlos in April 1204, after the definitive fall of Constantinople to the crusaders and the establishment of the Latin Empire.

* King Coloman of Halych ( 1208 – after 11 April 1241 )

He was appointed Constable of Jerusalem soon after April 22, 1179.

Amalric died of dysentery ( allegedly brought on by " a surfeit of white mullet ") or even poisoned at Saint Jean d ' Acre on 1 April 1205, just after his son Amalric and four days before his wife, and was buried at Saint Sophia, Nicosia.

* Earliest day on which First Day of Summer or Sumardagurinn fyrsti can fall, while April 25 is the latest ; celebrated on the first Thursday after April 18.

Formerly Longacre Square, Times Square was renamed in April 1904 after The New York Times moved its headquarters to the newly erected Times Building site of the annual ball drop on New Year's Eve.

* 1974 – The Super Outbreak occurs, the second biggest tornado outbreak in recorded history ( after the April 25-28, 2011 tornado outbreak ).

ARIN opened its doors for business on December 22, 1997 after incorporating on April 18, 1997.