UNITED STATES ~~SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549~~

~~RELX~~SECURITIES ~~PLC~~AND ~~———————————————————————————————————~~EXCHANGE (Translation of registrant’s name into English) 1-3 Strand LondonWC2N 5JR ——————————————————————————————————— (Address of principal executive office)COMMISSION

~~RELX~~Washington, NVD.C. ——————————————————————————————————— (Translation of registrant’s name into English) Radarweg 29 1043 NX Amsterdam PO Box 470 1000 AL Amsterdam ——————————————————————————————————— (Address of principal executive office)20549

~~Indicate~~FORM by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F: [x] Form 20-F [ ] Form 40-F Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [ ] Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [ ] Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934: [ ] Yes [x] No

IfREPORT ~~"Yes"~~OF isFOREIGN ~~marked,~~PRIVATE ~~indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a~~ISSUER

~~Transaction~~PURSUANT inTO ~~Own~~RULE ~~Shares~~13a-16 ~~06.19.2017~~ OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

19 April 2018

RELX NV

(Translation of registrant’s name into English)

Radarweg 29 1043 NX Amsterdam PO Box 470 1000 AL Amsterdam

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F: ☒Form 20-F ☐ Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934: ☐ Yes ☒ No

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	RELX PLC	~~RELX PLC~~
Date: 06/19/2017	By:	A. McCulloch
Date: 04/19/2018	By:	/s/ A. McCulloch
	Name:	A. McCulloch
	Title:	~~Deputy~~Authorised ~~Secretary~~Signatory

		RELX NV
Date: 06/19/2017	By:	A. McCulloch
	Name:	A. McCulloch
	Title:	Authorised Signatory

EXHIBIT INDEX

EXHIBIT INDEX Exhibit No. Description 99 Transaction in Own Shares 06.19.2017

Exhibit No		Description

99.1		Results of RELX N.V. AGM 04.19.2018

Filing Compare · RELX N.V.