The first segment of the <a href="https://en.wikipedia.org/wiki/Imperial_Wireless_Chain" id="mwhA" rel="mw:WikiLink" title="Imperial Wireless Chain">Imperial Wireless Chain</a> providing <a href="https://en.wikipedia.org/wiki/Wireless_telegraphy" id="mwhQ" rel="mw:WikiLink" title="Wireless telegraphy">wireless telegraphy</a> between <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Leafield_wireless_station" id="mwhg" rel="mw:WikiLink" title="Leafield wireless station">Leafield</a> in Oxfordshire, England, and <a href="https://en.wikipedia.org/wiki/Cairo" id="mwhw" rel="mw:WikiLink" title="Cairo">Cairo</a>, Egypt, comes into operation.