 The Bronze Age – defined by the use of metal – began around 2500 BC , with technology changing people 's everyday lives during this period through innovations such as the wheel , harnessing oxen , weaving textiles , brewing alcohol , and skilful metalworking , which produced new weapons and tools , along with fine gold decoration and jewellery , such as brooches and torcs . According to John T. Koch and others , Ireland in the Late Bronze Age was part of a maritime trading @-@ networked culture called the Atlantic Bronze Age that also included Britain , western France and Iberia , and that this is where Celtic languages developed . This contrasts with the traditional view that their origin lies in mainland Europe with the Hallstatt culture . 
 The Bronze Age – defined by the use of metal – began around 2500 BC , with technology changing people <a href='null_genetive' title='1'><mark>'s</mark></a>everyday lives during this period through innovations such as the wheel , harnessing oxen , weaving textiles , brewing alcohol , and skilful metalworking , which produced new weapons and tools , along with fine gold decoration and jewellery , such as brooches and torcs . According to John T. Koch and others , Ireland in the Late Bronze Age was part of a maritime trading @-@ networked culture called the Atlantic Bronze Age <a href='null_relcl' title='2'><mark>that</mark></a>also included Britain , western France and Iberia , and that this is where Celtic languages developed . This <a href='uninflect' title='3'><mark>contrasts</mark></a> with the traditional view <a href='null_relcl' title='4'><mark>that</mark></a>their origin <a href='uninflect' title='5'><mark>lies</mark></a> in mainland Europe with the Hallstatt culture . 
Da Bronze Age – defined by the use of metal – began around 2500 BC , with technology changing folks  everyday lives durin this period through innovations such as tdawheel , harnessing oxen , weaving textiles , brewing alcohol , and skilful metalworking , which produced new weapons and tools , along with fine gold decoration and jewellery , such as brooches and torcs . According to John T. Koch and others , Ireland in thdaate Bronze Age was part of a maritime trading @-@ networked culture called thedalantic Bronze Age also included Britain , western France and Iberia , and that dis is where Celtic languages developed . Tdiscontrast wit the daditional view their origin lie in mainland Europe with the Hallstatt culture .