Question: Was Halma or Battle Sheep introduced first?

Context articles: Halma
Green Mover Max
List of Home and Away characters (1988)
Gibson L Series
Alfa Romeo RM
Coca-Cola BlāK
Lusthog Squad
Biniax
Battle Sheep
Emplify

Halma (from the Greek word ἅλμα meaning "jump") is a strategy board game invented in 1883 or 1884 by George Howard Monks, a US thoracic surgeon at Harvard Medical School.
 His inspiration was the English game "Hoppity" which was devised in 1854.
The Green Mover Max was the first 100% low-floor articulated Light Rail Vehicle (LRV) to be built entirely in Japan.
 It was developed jointly by Kinki Sharyo, Mitsubishi Heavy Industries, and Toyo Electric Co., and introduced first in Hiroshima by the Hiroshima Electric Railway Company (Hiroden).
 It replaced Hiroden's ailing fleet of Siemens Combinos in 2005.
"Home and Away" is an Australian television soap opera.
 It was first broadcast on the Seven Network on 17 January 1988.
 The following is a list of characters that first appeared in that year, by order of first appearance.
 They were all introduced by the show's executive producer Alan Bateman who oversaw the serial before being succeeded by series producer Des Monaghan whose episodes first began airing in November.
 Sixteen of the original eighteen regular characters debuted in the pilot episode.
 The Fletcher family consisting of Frank Morgan, Tom and Pippa Fletcher, Carly Morris, Steven Matheson, Sally Keating and Lynn Davenport were introduced first.
 Summer Bay residents Alf Stewart, Floss and Neville McPhee, Bobby Simpson, Donald Fisher, Ailsa Hogan, Martin Dibble, Lance Smart and Matt Wilson also made their debuts.
 They were soon joined by Alf's daughter Roo and sister, Celia.
 In March, Lyn Collingwood arrived as Lance's mother, Colleen.
 The same month, Liddy Clark began playing Kerry Barlow and Amanda Newman-Phillips joined the cast as Narelle Smart.
 In April, Gerry Sont began playing Brett Macklin, a love interest for Roo.
 Barbara Stephens and Cornelia Frances arrived in June as Alf's other sisters Barbara Stewart and Morag Bellingham, respectively.
 July saw Simon Kay enter as Donald and Barbara's son Alan Fisher.
 Gavin Harrison began playing Revhead in August and was soon followed by John Morris as Philip Matheson.
 That month saw the serial's first birth Christopher Fletcher, son of the established Tom and Pippa.
 Another birth occurred in September, Martha Stewart, daughter of Roo and Brett.
 Sandie Lillingston joined the cast in the same episode as Brett's sister, Stacey and in November, George Leppard guested as Al Simpson.
The Gibson L series is a series of small-body guitars produced and sold by Gibson Guitar Corporation in the early 20th century.
 The first guitars of this series, Gibson L-0 and Gibson L-1, was introduced first as arch-tops (1902), and later as flat tops in 1926.
 The L series was later gradually replaced by the LG series in the 1940s.
Alfa Romeo RM was produced between 1923–1925, it was based on RL model.
 Car was introduced first time in 1923 Paris Motor Show and total production was around 500 cars.
 RM had 2.0 L straight-4 engine, which produced between 40 bhp to 48 bhp .
 As most of Alfa Romeo cars this was also used in racing purpose.
Coca-Cola BlāK was a coffee-flavored soft drink introduced by Coca-Cola in 2006 and discontinued in 2008.
 The mid-calorie drink was introduced first in France, before making its way to the United States and other markets.
The Lusthog Squad is a fictional United States Marine Corps squad introduced first in the semi-autobiographical novel "The Short-Timers" (1979) by Vietnam veteran Gustav Hasford.
 The squad was also featured in its sequel, "The Phantom Blooper", albeit with most of its members changed.
 Stanley Kubrick depicted the squad in his 1987 film "Full Metal Jacket".
Biniax is a free and open source puzzle video game introduced first in 2005.
 In 2007, Biniax-2 sequel of the game was released with more polished look and feel and different game modes – arcade, tactic and multiplayer.
 Latest release is from 2012.
Battle Sheep is a 2010 board game developed by Francesco Rotta.
 It has been published by Blue Orange Games, HUCH!
 & friends and Lautapelit.fi.
Emplify is a Fishers, Indiana-based privately held Software-as-a-Service (SaaS) company with headquarters in the Nickel Plate District.
 Its employee engagement solution uses mobile apps to provide employees with a platform to access company information and voice feedback to company executives.
 Customers curate content for their apps based on the results of Emplify Measure, an annual and quarterly survey that uses psychometrically-validated questions to surface areas of improvement for the company's employee engagement.
 The company was introduced first as a product line by Bluebridge Digital Inc. in February 2016 and became an independent brand, now known as Emplify, in July 2016.