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    • BC or Before Common Era Timeline

      • c. 520 BC. ...
      • Central Asia. – Alexander the Great conquers Bactria, Margiana, Sogdiana, and Ferghana in a multi-year campaign.
      • 305 BC
      • Afghanistan. – The Seleucids and Mauryans sign a treaty, which gives control over Arachosia & Gedrosia (most of modern Afghanistan & Pakistan) to the Mauryans.
      • Central Asia. ...
      • Parthia. ...
      • Bactria. ...
      • 209 BC
      • Parthia. ...
      • 206 BC
      www.worldhistorymaps.info/timelines/bc-or-before-common-era/
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    What does before Common Era mean in history?

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  2. BC or Before Common Era Timeline - World History Maps

    www.worldhistorymaps.info › timelines › bc-or-before

    BC or Before Common Era Timeline c. 520 BC – Persian armies under Darius I conquer much of Central Asia (inc. Ferghana, Sogdiana, and Chorasmia). 327 BC Central Asia – Alexander the Great conquers Bactria, Margiana, Sogdiana, and Ferghana in a multi-year campaign.

  3. History Timeline BC: Before the Common Era

    www.agnosticwitch.com › articles › timelineBC-list1

    History Timeline BC: Before the Common Era. To fully understand what history has to offer, sometimes we need to take a couple of steps back to view its bigger picture. Perhaps, if we looked across the broad spectrum, we would realize that nothing happens by itself. No one gets ups one morning and says, "Hmm...

  4. Major Inventions Timeline - Before the Common Era - HubPages

    discover.hubpages.com › education › Invention

    Dec 04, 2011 · Check out my Other Invention Timeline Hub Invention Timeline - Dawn of the Common Era to 1699 Necessity is the mother of invention and the period of 1000 CE to 1699 CE was rife with inventiveness. Many of the inventions of this period centered around agriculture, hunting game and of course warfare and exploration to keep what had been gained

  5. Common Era (CE) and Before Common Era (BCE) - Time and Date

    www.timeanddate.com › calendar › ce-bce-what-do-they
    • Instead of Ad and BC
    • Both in Use For Centuries
    • More and More Use CE/BCE
    • Avoid Confusion

    CE and BCE are used in exactly the same way as the traditional abbreviations AD and BC. 1. AD is short for Anno Domini, Latin for year of the Lord. 2. BC is an abbreviation of Before Christ. Because AD and BC hold religious (Christian) connotations, many prefer to use the more modern and neutral CE and BCE to indicate if a year is before or after year 1. According to the international standard for calendar dates, ISO 8601, both systems are acceptable.

    The Anno Domini year–numbering system was introduced by a Christian monk named Dionysius Exiguus in the 6th century. The year count starts with year 1 in the Gregorian calendar. This is supposed to be the birth year of Jesus, although modern historians often conclude that he was born around 4 years earlier. The expression Common Era is also no new invention, it has been in use for several hundred years. In English, it is found in writings as early as 1708. In Latin, the term "vulgaris aerae" (English, Vulgar Era) was used interchangeably with "Christian Era" as far back as in the 1600s.

    What isrelatively new is that more and more countries and their educational institutions have officially replaced the traditional abbreviations AD/BC with CE/BCE. England and Wales introduced the CE/BCE system into the official school curriculum in 2002, and Australia followed in 2011. More and more textbooks in the United States also use CE/BCE, as well as history tests issued by the US College Board.

    A year listed without any letters is always Common Era, starting from year 1. Adding CE or BCE after a year is only necessary if there is room for misunderstanding, e.g. in texts where years both before and after year 1 are mentioned. For instance, Pompeii, Italy (see image) was founded around 600–700 BCE and was destroyed when Mount Vesuvius erupted in 79 CE. Topics: Calendar, Dates

  6. List of time periods - Wikipedia

    en.wikipedia.org › wiki › List_of_time_periods

    Depending on the continent, the era generally falls between the years CE 200–600 and CE 1200–1500. The major classical civilizations that the era follows are Han China (ending in 220), the Western Roman Empire (in 476), the Gupta Empire (in the 550s), and the Sasanian Empire (in 651). Middle Ages – Lasted from the 5th to the 15th century.

    Time Period
    Duration
    Description
    From the start to 10−43 seconds after the ...
    Very little concrete [confirmed] ...
    Between 10−43 to 10−36 seconds after the ...
    The result of the universe expanding and ...
    Between 10−36 seconds to 10−12 seconds ...
    The universe cools down to 10 28 kelvin.
    Between 10−36 seconds to 10−32 seconds ...
    The shape of the universe flattens due to ...
  7. Timeline – World Queerstory

    worldqueerstory.org › timeline

    Before we start, just wanted to note that we're using Before Common Era (BCE) and Common Era (CE) instead of that BC and AD nonsense that's not even historically accurate. And without further ado, a really queer timeline: Before Common Era Prehistory Circa 9,600 BCE --Rock art depecting same-sex sexual situations begins to appear. Circa 7,000…

  8. A CHRONOLOGY OF THE COMMON ERA

    www.thinkworks.com › history

    All four of the gospels which were eventually selected among others to be included in the New Testament were written, by their respective author(s) beginning, in some cases, before the year 50 of the Common Era. In some schools of thought, it is believed that all four were completed by as early as 70 CE.

  9. Timeline | Mass Effect Wiki | Fandom

    masseffect.fandom.com › wiki › Timeline
    • Prehistoric Times
    • Pre-Prothean Times
    • Pre-Council Times
    • Council Era - Formation
    • Council Era - War and Rebellion
    • Council Era - Expansion
    • Council Era - Advent of Humanity
    • Mass Effect
    • Andromeda Bound
    • New Frontiers

    Unknown BCE 1. The Leviathans dominate the Milky Way, enthralling every new sapient race they encounter and protecting them in return for tribute. The Leviathans consider themselves the galaxy's first and only apex race. 1. After observing that their subservient races create synthetic races who consistently and violently rebel, the Leviathans create an Intelligenceto seek a way to permanently preserve organic life. The Intelligence constructs an army of "pawns" to gather genetic information throughout the galaxy. 1. The Intelligence betrays the Leviathans, using its pawns to slaughter them for their genetic material to create Harbinger, the first Reaper. Thus begins the cyclical harvest of the galaxy's intelligent organic life by the Reapers, part of a vast experiment conducted by the Intelligence to fulfill its mandate. 1. The Intelligence builds the mass relaynetwork to increase the efficiency of the cycles, allowing galactic civilizations to develop faster and more consistently b...

    c. 1,000,000,000 BCE 1. The Leviathan of Dis, a Reaper, is killed by the Leviathans. Its corpse comes to rest on the planet Jartarand remains undisturbed for nearly one billion years. c. 37,000,000 BCE 1. An unknown spacefaring race fires a mass accelerator round at a Reaper near the planet Mnemosyne. The round penetrates the Reaper, disabling it, and continues moving through space, eventually striking the planet Klendagonand creating the geological feature there known as the Great Rift Valley. c. 298,000 BCE 1. The ancient arthenn race flourish in the Zelene system, living on the planet Helyme until being destroyed in an unknown event that wiped out all complex life on the planet. They also maintained a presence on other planets in the system including Epho, which bears the scars of an ancient orbital bombardment, and Gaelon, which may have been mined for helium-3. c. 125,000 BCE 1. Ancient spacefaring races called the thoi'han and inusannon fight over the planet Eingana, littering...

    c. 68,000 BCE 1. The Protheans achieve spaceflight and discover mass effect technology from the ruins of the extinct inusannon. They go on to establish a galaxy-wide civilization linked by the mass relay network with the Citadelas their capital. 1. At some point, the Protheans encounter a hostile race of machine intelligences that endanger their existence. To combat this threat, the Protheans aggressively assimilate many other spacefaring organic races into their empire. The Prothean Empire is able to fend off the machines in a conflict known as the "Metacon War". c. 48,000 BCE: Fall of the Protheans 1. The Prothean Empire collapses with the arrival of the Reapers through the Citadel. Although the Protheans had learned of the Reapers' existence from studying the ruins of previous civilizations and had begun to prepare, they were nonetheless caught off-guard. Over the next several centuries, the Protheans fight the Reapers system by system, world by world, and city by city. In the en...

    500 BCE: Founding of the Citadel Council 1. The Citadel Councilis formed. The asari and salarians together colonize the Citadel and establish it as a center of the galactic community, led by the Council. This year is also known as 0 GS, the beginning of the Galactic Standard (GS) timeline. 1. As a gesture of openness with their new asari allies, the Salarian Union opens the records of the League of One. Under threat, the League responds by assassinating every member of the Union's inner cabinet; Special Tasks Groupoperatives then hunt down and eliminate the League. c. 300 BCE 1. The volus begin exploring and colonizing the stars shortly after discovering FTL. 1. First contact is made with the volus. Eventually, the Citadel Council commissions the volus to draw up the Unified Banking Act, which establishes a standard galactic currency known as the creditand links all galactic economies. 1. The turian Unification Waroccurs. The increasingly isolated and xenophobic colonies on the fron...

    1 CE: The Rachni Wars 1. The rachni, a species of highly intelligent hive-minded insects, are discovered when a Citadel expedition opens a dormant mass relay leading to their star systems. The rachni prove to be hostile and begin a war with the rest of the galaxy. Negotiation with the rachni queensis impossible because they cannot be contacted in their underground nests on the toxic rachni worlds. 80 CE 1. The Rachni Wars continue. The salarians make first contact with and uplift the primitive krogan, manipulating them into acting as soldiers for the Citadel Council. The krogan prove able to survive the harsh environments of the rachni worlds and pursue the rachni into their nests, systematically eradicating queens and eggs. 300 CE 1. The rachni are declared extinct. In gratitude for their aid during the Rachni Wars, the Council rewards the krogan a new homeworld. Free of the harsh environment of Tuchanka, the krogan population explodes. 300 - 700 CE 1. The krogan begin to expand ex...

    900 CE 1. The turians are granted a seat on the Citadel Councilin recognition for their service in the Krogan Rebellions. 1380s CE 1. Extensive and unchecked industrial expansion on the drell homeworld Rakhanabegins taking a significant toll on the planet's environment. 1600 CE 1. The first sightings of the Collectors are reported in the Terminus Systems. In Citadel space, the claims are dismissed as unsubstantiated rumors and tall tales. 1. (Estimated date) In the Andromeda galaxy, the Jardaan begin deploying Remnant machines to the Heleus Cluster to terraform barren planets into life-supporting worlds. 1755 CE 1. Samara's three daughters are diagnosed as Ardat-Yakshi. Rila and Falere accept exile, but Morinth flees. Samara takes the oaths of the asari justicarsand pursues her errant daughter for the next 430 years. c. 1858 CE 1. The oldest geth log is time-stamped around this time, on quariancreator year 2463, third day of Fal'tash, Waxing Moon. c. 1873 CE 1. The oldest gethaudio-...

    2157 CE: The First Contact War 1. Humanity makes violent first contact with another spacefaring race: the turians. The turians observe human explorers attempting to activate a dormant mass relay, a practice forbidden by galactic law after the Rachni Wars, and attack. Over the next three months, a brief but tense conflict known by humans as the First Contact Warand by turians as the Relay 314 Incident ensues. 1. The events of Mass Effect: Revelation begin. Admiral Jon Grissom travels to Arcturus Station to congratulate graduates of the Systems Alliance's N7 training program and meets David Anderson. Grissom announces that an unknown alien force has attacked an Alliance post at the colony of Shanxi. 1. The First Contact War culminates in the turian siege and occupation of Shanxi, the first human world to fall to an alien race. Admiral Kastanie Drescher leads the Second Fleetin battle against Shanxi's occupiers one month later, catching the turians by surprise and evicting them from th...

    2183 CE: The Eden Prime War 1. The events of Mass Effect occur. The human colony of Eden Prime is attacked by the geth, initiating a wider conflict between humans and geth known as the Eden Prime War. After exposing the involvement of rogue Spectre Saren Arterius in the attack, Commander Shepard and the crew of the SSV Normandy pursue Saren in his search for the Conduit, later revealed to be part of a larger plan orchestrated by the Reaper Sovereign to return its kind to the galaxy. While Shepard follows Saren through the legendary Mu Relay to the Conduit, Sovereign and a geth fleet assault the Citadel. Shepard defeats Saren and the Alliance Navy destroys Sovereign, preventing the release of the Reapers. The Citadel Councilis irrevocably changed by Shepard's decisions. 1. The events of Mass Effect Galaxy occur. Jacob Taylor and Miranda Lawson prevent an assassination attempt on the Citadel Council by batarianterrorists. 1. The events of Mass Effect: Incursion occur. Aria T'Loak inte...

    2346 CE 1. Sleepwalker Team Green-5 revives aboard the Keelah Si'yah160 years after launch to perform customary maintenance checks and find no issues before returning to hibernation. c. 2419 CE 1. The final Remnant structures are built on Habitat 7 before the Scourgehits. c. 2450 CE 1. The Scourge is unleashed in the Heleus Cluster, attacking all Remnant technology it can find. Remnant vaults are deactivated, the golden worlds decline, and angarancivilization falls into a dark age. 2486 CE 1. Sleepwalker Team Blue-7 revives aboard the Keelah Si'yah300 years after launch to perform customary maintenance checks and find no issues before returning to hibernation. 1. Given a projected Milky Way to Andromeda travel time of about 597 years, the Quorum and all Sleepwalker Teams aboard Keelah Si'yah briefly revive at the halfway point for operations review, customary maintenance checks, and a milestone celebration before returning to hibernation. c. 2600 CE 1. The Scourge stabilizes, and an...

    2818 CE: Touchdown Andromeda 1. The events of Mass Effect: Nexus Uprising occur. The Nexus arrives in the Heleus Cluster of the Andromedagalaxy after a 633 year journey through dark space. 2819 CE 1. Ark Leusinia, Ark Natanus, and Ark Paarchero arrive in the Heleus Cluster separately. They are either attacked by the kett or damaged by the Scourge, preventing them from rendezvousing with the Nexus. 1. The events of Mass Effect: Andromeda begin. Ark Hyperion arrives in the Andromeda galaxy 14 months after the Nexus.

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