She is the first of Jack the Ripper's confirmed victims.

* 1967 – Thurgood Marshall is confirmed as the first African American Justice of the Supreme Court of the United States.

NASA later confirmed the object to be a piece of the first stage of the Saturn V rocket that launched Apollo 16 into space.

The proposed mechanism of chronic nicotine causing desensitisation of nicotinic receptors, thereby leading to an antidepressant effect, is consistent with the theory first proposed over 30 years ago and subsequent research that confirmed excessive acetylcholine activity in the brain leads to depressive symptoms.

Although myths and speculation about a Terra Australis (" Southern Land ") date back to antiquity, the first confirmed sighting of the continent of Antarctica is commonly accepted to have occurred in 1820 by the Russian expedition of Fabian Gottlieb von Bellingshausen and Mikhail Lazarev on Vostok and Mirny.

The first confirmed outbreak outside of Africa occurred in Cyprus in 1943.

This reaction was studied for the first time in 2008 by the team at RIKEN, Japan, in order to study the decay properties of < sup > 266 </ sup > Bh, which is a decay product in their claimed decay chains of ununtrium .< ref > The decay of < sup > 266 </ sup > Bh by the emission of 9. 05-9. 23 MeV alpha particles was further confirmed in 2010.

The word " bowls " occurs for the first time in the statute of 1511 in which Henry VIII confirmed previous enactments against unlawful games.

Barringer Crater ( a. k. a. Meteor Crater ) in Arizona was the world's first confirmed impact crater

It brought to an end the first phase of the power struggle between the Papacy and the Holy Roman Emperors and has been interpreted as containing within itself the germ of nation-based sovereignty that would one day be confirmed in the Treaty of Westphalia ( 1648 ); in part this was an unforeseen result of strategic maneuvering between the Church and the European sovereigns over political control within their domains.

It is now generally agreed by most scholars that identifiable Catharism did not emerge until at least 1143, when the first confirmed report of a group espousing similar beliefs is reported being active at Cologne by the cleric Eberwin of Steinfeld.

Scott Adams said it might be the first confirmed case of an employee being fired for posting a Dilbert cartoon.

* 1869 – American outlaw Jesse James commits his first confirmed bank robbery in Gallatin, Missouri.

Devo also confirmed that they would be performing at All Tomorrow's Parties on May 6 and 8, with the May 6th performance featuring the band performing their first album, Q: Are We Not Men?

The first confirmed detection came in 1992, with the discovery of several terrestrial-mass planets orbiting the pulsar PSR B1257 + 12.

This discovery was confirmed, and is generally considered to be the first definitive detection of exoplanets.

The first confirmed discovery of an extrasolar planet was made using this method.

For instance, in the 55 Cancri system the first planet – 55 Cancri b – was discovered in 1996 ; two additional farther planets were simultaneously discovered in 2002 with the nearest to the star being named 55 Cancri c and the other 55 Cancri d ; a fourth planet was claimed ( its existence was later disputed ) in 2004 and named 55 Cancri e despite lying closer to the star than 55 Cancri b ; and the most recently discovered planet, in 2007, was named 55 Cancri f despite lying between 55 Cancri c and 55 Cancri d. As of April 2012 the highest letter in use is " j ", for the unconfirmed planet HD 10180 j ( HD 10180 h is the confirmed planet with the highest letter ).

The first official history of MI5, The Defence of the Realm published in 2009, tacitly confirmed that there was a plot against Wilson and that MI5 did have a file on him.

The reign of Emperor Kimmei ( 509 – 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 ?– 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 ?– 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 – 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 ?– 569 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

In 1999, the University of Pittsburgh's Center for Biomedical Informatics deployed the first automated bioterrorism detection system, called RODS ( Real-Time Outbreak Disease Surveillance ).

Spectroscopic studies revealed absorption lines in the Jovian spectrum due to diatomic sulfur ( S < sub > 2 </ sub >) and carbon disulfide ( CS < sub > 2 </ sub >), the first detection of either in Jupiter, and only the second detection of S < sub > 2 </ sub > in any astronomical object.

DASI made the first detection of the polarization of the CMB and the CBI provided the first E-mode polarization spectrum with compelling evidence that it is out of phase with the T-mode spectrum.

On 6 October 1995, Michel Mayor and Didier Queloz of the University of Geneva announced the first definitive detection of an exoplanet orbiting a main-sequence star, namely the nearby G-type star 51 Pegasi.

The first historical uses of the Geiger principle were for the detection of alpha and beta particles, and the instrument is still used for this purpose today.

The first detection of tau neutrino interactions was announced in summer of 2000 by the DONUT collaboration at Fermilab, making it the latest particle of the Standard Model to have been directly observed ; its existence had already been inferred by both theoretical consistency and experimental data from the Large Electron – Positron Collider.

In April 2007, astronomers announced that the Swedish-built Odin satellite had made the first detection of clouds of molecular oxygen in space, following observations in the constellation Ophiuchus.

In 1979 Ronald Reagan visited the NORAD command base under Cheyenne Mountain where he was first introduced to the extensive tracking and detection systems extending throughout the world and into space.

This work, for the Anti-Submarine Division of the British Naval Staff, was undertaken in utmost secrecy, and used quartz piezoelectric crystals to produce the world's first practical underwater active sound detection apparatus.

These included sonobuoys, first developed by the British in 1944 under the codename High Tea, dipping / dunking sonar and mine detection sonar.

This is the first such detection of a magnetic field on a spectral class A star that is not an Ap chemically peculiar star.

Pressurized nitrogen in the satellite's false body provided the first opportunity for meteoroid detection.

The use of systematic cyclic codes, which encode messages by adding a fixed-length check value, for the purpose of error detection in communication networks, was first proposed by W. Wesley Peterson during 1961.

In January 2005, astronomers announced the first detection of magnetic fields around the central stars of two planetary nebulae, and hypothesised that the fields might be partly or wholly responsible for their remarkable shapes.

* The first detection of magnetic fields in the central stars of four planetary nebulae

This was likely the first balloon-based detection of X-rays from a discrete cosmic X-ray source.

With the initial detection of an extrasolar X-ray source, the first question usually asked is " What is the source?

The first detection of a Coronal mass ejection ( CME ) as such was made on December 1, 1971 by R. Tousey of the US Naval Research Laboratory using OSO 7.

The same experiment, known as ICARUS and based on a new technique of electronic detection of ionizing events in ultra-pure liquid argon, is aiming at the direct detection of the neutrinos emitted from the Sun, a first rudimentary neutrino telescope to explore neutrino signals of cosmic nature.